Home / 506,117.10-759,175.65-132,140.10

Finding the Fourth Proportional to 506,117.10, 759,175.65 and 132,140.10

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Solution

The fourth proportional to 506,117.10, 759,175.65 and 132,140.10 is: 198,210.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,117.10 : 759,175.65 = 132,140.10 : x
  2. Step 2: Convert to fraction form
    506,117.10/759,175.65 = 132,140.10/x
  3. Step 3: Cross multiply
    506,117.10x = 759,175.65 × 132,140.10
  4. Step 4: Simplify right side
    506,117.10x = 100,317,546,308.57
  5. Step 5: Solve for x
    x = 100,317,546,308.57/506,117.10
  6. Step 6: Final answer
    x = 198,210.15

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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.