Home / 135,305.38-202,961.72-60,407.92

Finding the Fourth Proportional to 135,305.38, 202,961.72 and 60,407.92

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Solution

The fourth proportional to 135,305.38, 202,961.72 and 60,407.92 is: 90,613.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,305.38 : 202,961.72 = 60,407.92 : x
  2. Step 2: Convert to fraction form
    135,305.38/202,961.72 = 60,407.92/x
  3. Step 3: Cross multiply
    135,305.38x = 202,961.72 × 60,407.92
  4. Step 4: Simplify right side
    135,305.38x = 12,260,495,344.82
  5. Step 5: Solve for x
    x = 12,260,495,344.82/135,305.38
  6. Step 6: Final answer
    x = 90,613.51

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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.