Home / 118,231.56-163,159.97-64,517.76

Finding the Fourth Proportional to 118,231.56, 163,159.97 and 64,517.76

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Solution

The fourth proportional to 118,231.56, 163,159.97 and 64,517.76 is: 89,034.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,231.56 : 163,159.97 = 64,517.76 : x
  2. Step 2: Convert to fraction form
    118,231.56/163,159.97 = 64,517.76/x
  3. Step 3: Cross multiply
    118,231.56x = 163,159.97 × 64,517.76
  4. Step 4: Simplify right side
    118,231.56x = 10,526,715,463.48
  5. Step 5: Solve for x
    x = 10,526,715,463.48/118,231.56
  6. Step 6: Final answer
    x = 89,034.73

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1.5x scale

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.