Home / 508,110.06-762,165.40-129,059.22

Finding the Fourth Proportional to 508,110.06, 762,165.40 and 129,059.22

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Solution

The fourth proportional to 508,110.06, 762,165.40 and 129,059.22 is: 193,588.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,110.06 : 762,165.40 = 129,059.22 : x
  2. Step 2: Convert to fraction form
    508,110.06/762,165.40 = 129,059.22/x
  3. Step 3: Cross multiply
    508,110.06x = 762,165.40 × 129,059.22
  4. Step 4: Simplify right side
    508,110.06x = 98,364,472,034.99
  5. Step 5: Solve for x
    x = 98,364,472,034.99/508,110.06
  6. Step 6: Final answer
    x = 193,588.91

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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.