Home / 132,158.17-182,126.87-129,729.25

Finding the Fourth Proportional to 132,158.17, 182,126.87 and 129,729.25

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Solution

The fourth proportional to 132,158.17, 182,126.87 and 129,729.25 is: 178,779.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,158.17 : 182,126.87 = 129,729.25 : x
  2. Step 2: Convert to fraction form
    132,158.17/182,126.87 = 129,729.25/x
  3. Step 3: Cross multiply
    132,158.17x = 182,126.87 × 129,729.25
  4. Step 4: Simplify right side
    132,158.17x = 23,627,181,632.47
  5. Step 5: Solve for x
    x = 23,627,181,632.47/132,158.17
  6. Step 6: Final answer
    x = 178,779.58

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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.