Home / 115,551.30-173,132.55-108,552.90

Finding the Fourth Proportional to 115,551.30, 173,132.55 and 108,552.90

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Solution

The fourth proportional to 115,551.30, 173,132.55 and 108,552.90 is: 162,646.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,551.30 : 173,132.55 = 108,552.90 : x
  2. Step 2: Convert to fraction form
    115,551.30/173,132.55 = 108,552.90/x
  3. Step 3: Cross multiply
    115,551.30x = 173,132.55 × 108,552.90
  4. Step 4: Simplify right side
    115,551.30x = 18,794,040,386.90
  5. Step 5: Solve for x
    x = 18,794,040,386.90/115,551.30
  6. Step 6: Final answer
    x = 162,646.72

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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.