Home / 102,207.80-141,034.97-59,188.11

Finding the Fourth Proportional to 102,207.80, 141,034.97 and 59,188.11

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Solution

The fourth proportional to 102,207.80, 141,034.97 and 59,188.11 is: 81,672.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,207.80 : 141,034.97 = 59,188.11 : x
  2. Step 2: Convert to fraction form
    102,207.80/141,034.97 = 59,188.11/x
  3. Step 3: Cross multiply
    102,207.80x = 141,034.97 × 59,188.11
  4. Step 4: Simplify right side
    102,207.80x = 8,347,593,022.27
  5. Step 5: Solve for x
    x = 8,347,593,022.27/102,207.80
  6. Step 6: Final answer
    x = 81,672.76

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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.