Home / 751,131.84-1,126,698.57-190,166.34

Finding the Fourth Proportional to 751,131.84, 1,126,698.57 and 190,166.34

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Solution

The fourth proportional to 751,131.84, 1,126,698.57 and 190,166.34 is: 285,249.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,131.84 : 1,126,698.57 = 190,166.34 : x
  2. Step 2: Convert to fraction form
    751,131.84/1,126,698.57 = 190,166.34/x
  3. Step 3: Cross multiply
    751,131.84x = 1,126,698.57 × 190,166.34
  4. Step 4: Simplify right side
    751,131.84x = 214,260,143,340.13
  5. Step 5: Solve for x
    x = 214,260,143,340.13/751,131.84
  6. Step 6: Final answer
    x = 285,249.72

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.