Home / 530,542.78-795,814.22-131,191.10

Finding the Fourth Proportional to 530,542.78, 795,814.22 and 131,191.10

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Solution

The fourth proportional to 530,542.78, 795,814.22 and 131,191.10 is: 196,786.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,542.78 : 795,814.22 = 131,191.10 : x
  2. Step 2: Convert to fraction form
    530,542.78/795,814.22 = 131,191.10/x
  3. Step 3: Cross multiply
    530,542.78x = 795,814.22 × 131,191.10
  4. Step 4: Simplify right side
    530,542.78x = 104,403,742,917.44
  5. Step 5: Solve for x
    x = 104,403,742,917.44/530,542.78
  6. Step 6: Final answer
    x = 196,786.66

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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.