Home / 508,092.06-762,138.44-129,041.22

Finding the Fourth Proportional to 508,092.06, 762,138.44 and 129,041.22

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Solution

The fourth proportional to 508,092.06, 762,138.44 and 129,041.22 is: 193,561.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,092.06 : 762,138.44 = 129,041.22 : x
  2. Step 2: Convert to fraction form
    508,092.06/762,138.44 = 129,041.22/x
  3. Step 3: Cross multiply
    508,092.06x = 762,138.44 × 129,041.22
  4. Step 4: Simplify right side
    508,092.06x = 98,347,274,106.50
  5. Step 5: Solve for x
    x = 98,347,274,106.50/508,092.06
  6. Step 6: Final answer
    x = 193,561.92

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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.