Home / 181,631.11-272,490.40-56,972.11

Finding the Fourth Proportional to 181,631.11, 272,490.40 and 56,972.11

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Solution

The fourth proportional to 181,631.11, 272,490.40 and 56,972.11 is: 85,471.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,631.11 : 272,490.40 = 56,972.11 : x
  2. Step 2: Convert to fraction form
    181,631.11/272,490.40 = 56,972.11/x
  3. Step 3: Cross multiply
    181,631.11x = 272,490.40 × 56,972.11
  4. Step 4: Simplify right side
    181,631.11x = 15,524,353,103.89
  5. Step 5: Solve for x
    x = 15,524,353,103.89/181,631.11
  6. Step 6: Final answer
    x = 85,471.88

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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.