Home / 125,512.46-187,365.76-107,549.72

Finding the Fourth Proportional to 125,512.46, 187,365.76 and 107,549.72

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Solution

The fourth proportional to 125,512.46, 187,365.76 and 107,549.72 is: 160,550.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,512.46 : 187,365.76 = 107,549.72 : x
  2. Step 2: Convert to fraction form
    125,512.46/187,365.76 = 107,549.72/x
  3. Step 3: Cross multiply
    125,512.46x = 187,365.76 × 107,549.72
  4. Step 4: Simplify right side
    125,512.46x = 20,151,135,025.59
  5. Step 5: Solve for x
    x = 20,151,135,025.59/125,512.46
  6. Step 6: Final answer
    x = 160,550.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.