Home / 252,712.11-348,733.56-139,532.43

Finding the Fourth Proportional to 252,712.11, 348,733.56 and 139,532.43

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Solution

The fourth proportional to 252,712.11, 348,733.56 and 139,532.43 is: 192,549.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,712.11 : 348,733.56 = 139,532.43 : x
  2. Step 2: Convert to fraction form
    252,712.11/348,733.56 = 139,532.43/x
  3. Step 3: Cross multiply
    252,712.11x = 348,733.56 × 139,532.43
  4. Step 4: Simplify right side
    252,712.11x = 48,659,641,049.35
  5. Step 5: Solve for x
    x = 48,659,641,049.35/252,712.11
  6. Step 6: Final answer
    x = 192,549.70

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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.