Home / 234,131.37-323,098.65-126,699.45

Finding the Fourth Proportional to 234,131.37, 323,098.65 and 126,699.45

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Solution

The fourth proportional to 234,131.37, 323,098.65 and 126,699.45 is: 174,843.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,131.37 : 323,098.65 = 126,699.45 : x
  2. Step 2: Convert to fraction form
    234,131.37/323,098.65 = 126,699.45/x
  3. Step 3: Cross multiply
    234,131.37x = 323,098.65 × 126,699.45
  4. Step 4: Simplify right side
    234,131.37x = 40,936,421,250.74
  5. Step 5: Solve for x
    x = 40,936,421,250.74/234,131.37
  6. Step 6: Final answer
    x = 174,843.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.