Home / 157,517.20-236,275.80-107,750.80

Finding the Fourth Proportional to 157,517.20, 236,275.80 and 107,750.80

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Solution

The fourth proportional to 157,517.20, 236,275.80 and 107,750.80 is: 161,626.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,517.20 : 236,275.80 = 107,750.80 : x
  2. Step 2: Convert to fraction form
    157,517.20/236,275.80 = 107,750.80/x
  3. Step 3: Cross multiply
    157,517.20x = 236,275.80 × 107,750.80
  4. Step 4: Simplify right side
    157,517.20x = 25,458,906,470.64
  5. Step 5: Solve for x
    x = 25,458,906,470.64/157,517.20
  6. Step 6: Final answer
    x = 161,626.20

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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.