Home / 132,729.30-199,219.02-88,387.08

Finding the Fourth Proportional to 132,729.30, 199,219.02 and 88,387.08

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Solution

The fourth proportional to 132,729.30, 199,219.02 and 88,387.08 is: 132,663.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,729.30 : 199,219.02 = 88,387.08 : x
  2. Step 2: Convert to fraction form
    132,729.30/199,219.02 = 88,387.08/x
  3. Step 3: Cross multiply
    132,729.30x = 199,219.02 × 88,387.08
  4. Step 4: Simplify right side
    132,729.30x = 17,608,387,458.26
  5. Step 5: Solve for x
    x = 17,608,387,458.26/132,729.30
  6. Step 6: Final answer
    x = 132,663.91

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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.