Home / 115,098.11-172,647.16-108,600.83

Finding the Fourth Proportional to 115,098.11, 172,647.16 and 108,600.83

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Solution

The fourth proportional to 115,098.11, 172,647.16 and 108,600.83 is: 162,901.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,098.11 : 172,647.16 = 108,600.83 : x
  2. Step 2: Convert to fraction form
    115,098.11/172,647.16 = 108,600.83/x
  3. Step 3: Cross multiply
    115,098.11x = 172,647.16 × 108,600.83
  4. Step 4: Simplify right side
    115,098.11x = 18,749,623,738.40
  5. Step 5: Solve for x
    x = 18,749,623,738.40/115,098.11
  6. Step 6: Final answer
    x = 162,901.24

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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.