Home / 147,607.92-221,280.24-54,091.68

Finding the Fourth Proportional to 147,607.92, 221,280.24 and 54,091.68

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Solution

The fourth proportional to 147,607.92, 221,280.24 and 54,091.68 is: 81,089.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,607.92 : 221,280.24 = 54,091.68 : x
  2. Step 2: Convert to fraction form
    147,607.92/221,280.24 = 54,091.68/x
  3. Step 3: Cross multiply
    147,607.92x = 221,280.24 × 54,091.68
  4. Step 4: Simplify right side
    147,607.92x = 11,969,419,932.40
  5. Step 5: Solve for x
    x = 11,969,419,932.40/147,607.92
  6. Step 6: Final answer
    x = 81,089.28

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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.