Home / 131,732.01-181,789.85-71,302.16

Finding the Fourth Proportional to 131,732.01, 181,789.85 and 71,302.16

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Solution

The fourth proportional to 131,732.01, 181,789.85 and 71,302.16 is: 98,396.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,732.01 : 181,789.85 = 71,302.16 : x
  2. Step 2: Convert to fraction form
    131,732.01/181,789.85 = 71,302.16/x
  3. Step 3: Cross multiply
    131,732.01x = 181,789.85 × 71,302.16
  4. Step 4: Simplify right side
    131,732.01x = 12,962,007,705.62
  5. Step 5: Solve for x
    x = 12,962,007,705.62/131,732.01
  6. Step 6: Final answer
    x = 98,396.80

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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.