Home / 106,471.17-159,553.62-73,228.77

Finding the Fourth Proportional to 106,471.17, 159,553.62 and 73,228.77

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Solution

The fourth proportional to 106,471.17, 159,553.62 and 73,228.77 is: 109,737.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,471.17 : 159,553.62 = 73,228.77 : x
  2. Step 2: Convert to fraction form
    106,471.17/159,553.62 = 73,228.77/x
  3. Step 3: Cross multiply
    106,471.17x = 159,553.62 × 73,228.77
  4. Step 4: Simplify right side
    106,471.17x = 11,683,915,341.65
  5. Step 5: Solve for x
    x = 11,683,915,341.65/106,471.17
  6. Step 6: Final answer
    x = 109,737.83

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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.