Home / 132,918.38-199,397.52-42,931.04

Finding the Fourth Proportional to 132,918.38, 199,397.52 and 42,931.04

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Solution

The fourth proportional to 132,918.38, 199,397.52 and 42,931.04 is: 64,403.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,918.38 : 199,397.52 = 42,931.04 : x
  2. Step 2: Convert to fraction form
    132,918.38/199,397.52 = 42,931.04/x
  3. Step 3: Cross multiply
    132,918.38x = 199,397.52 × 42,931.04
  4. Step 4: Simplify right side
    132,918.38x = 8,560,342,907.02
  5. Step 5: Solve for x
    x = 8,560,342,907.02/132,918.38
  6. Step 6: Final answer
    x = 64,403.00

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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.