Home / 181,415.30-272,123.55-55,056.62

Finding the Fourth Proportional to 181,415.30, 272,123.55 and 55,056.62

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Solution

The fourth proportional to 181,415.30, 272,123.55 and 55,056.62 is: 82,585.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,415.30 : 272,123.55 = 55,056.62 : x
  2. Step 2: Convert to fraction form
    181,415.30/272,123.55 = 55,056.62/x
  3. Step 3: Cross multiply
    181,415.30x = 272,123.55 × 55,056.62
  4. Step 4: Simplify right side
    181,415.30x = 14,982,202,885.40
  5. Step 5: Solve for x
    x = 14,982,202,885.40/181,415.30
  6. Step 6: Final answer
    x = 82,585.11

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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.