Home / 115,879.05-173,654.55-101,772.90

Finding the Fourth Proportional to 115,879.05, 173,654.55 and 101,772.90

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Solution

The fourth proportional to 115,879.05, 173,654.55 and 101,772.90 is: 152,515.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,879.05 : 173,654.55 = 101,772.90 : x
  2. Step 2: Convert to fraction form
    115,879.05/173,654.55 = 101,772.90/x
  3. Step 3: Cross multiply
    115,879.05x = 173,654.55 × 101,772.90
  4. Step 4: Simplify right side
    115,879.05x = 17,673,327,151.70
  5. Step 5: Solve for x
    x = 17,673,327,151.70/115,879.05
  6. Step 6: Final answer
    x = 152,515.29

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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.