Home / 102,522.94-141,481.20-57,198.22

Finding the Fourth Proportional to 102,522.94, 141,481.20 and 57,198.22

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Solution

The fourth proportional to 102,522.94, 141,481.20 and 57,198.22 is: 78,933.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,522.94 : 141,481.20 = 57,198.22 : x
  2. Step 2: Convert to fraction form
    102,522.94/141,481.20 = 57,198.22/x
  3. Step 3: Cross multiply
    102,522.94x = 141,481.20 × 57,198.22
  4. Step 4: Simplify right side
    102,522.94x = 8,092,472,803.46
  5. Step 5: Solve for x
    x = 8,092,472,803.46/102,522.94
  6. Step 6: Final answer
    x = 78,933.29

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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.