Home / 106,318.20-159,477.30-53,174.10

Finding the Fourth Proportional to 106,318.20, 159,477.30 and 53,174.10

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Solution

The fourth proportional to 106,318.20, 159,477.30 and 53,174.10 is: 79,761.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,318.20 : 159,477.30 = 53,174.10 : x
  2. Step 2: Convert to fraction form
    106,318.20/159,477.30 = 53,174.10/x
  3. Step 3: Cross multiply
    106,318.20x = 159,477.30 × 53,174.10
  4. Step 4: Simplify right side
    106,318.20x = 8,480,061,897.93
  5. Step 5: Solve for x
    x = 8,480,061,897.93/106,318.20
  6. Step 6: Final answer
    x = 79,761.15

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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.