Home / 131,882.86-181,998.08-71,455.04

Finding the Fourth Proportional to 131,882.86, 181,998.08 and 71,455.04

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Solution

The fourth proportional to 131,882.86, 181,998.08 and 71,455.04 is: 98,607.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,882.86 : 181,998.08 = 71,455.04 : x
  2. Step 2: Convert to fraction form
    131,882.86/181,998.08 = 71,455.04/x
  3. Step 3: Cross multiply
    131,882.86x = 181,998.08 × 71,455.04
  4. Step 4: Simplify right side
    131,882.86x = 13,004,680,086.32
  5. Step 5: Solve for x
    x = 13,004,680,086.32/131,882.86
  6. Step 6: Final answer
    x = 98,607.81

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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.