Home / 148,727.62-205,175.46-88,263.90

Finding the Fourth Proportional to 148,727.62, 205,175.46 and 88,263.90

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Solution

The fourth proportional to 148,727.62, 205,175.46 and 88,263.90 is: 121,763.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,727.62 : 205,175.46 = 88,263.90 : x
  2. Step 2: Convert to fraction form
    148,727.62/205,175.46 = 88,263.90/x
  3. Step 3: Cross multiply
    148,727.62x = 205,175.46 × 88,263.90
  4. Step 4: Simplify right side
    148,727.62x = 18,109,586,447.21
  5. Step 5: Solve for x
    x = 18,109,586,447.21/148,727.62
  6. Step 6: Final answer
    x = 121,763.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.