Home / 252,809.28-348,877.92-139,632.96

Finding the Fourth Proportional to 252,809.28, 348,877.92 and 139,632.96

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Solution

The fourth proportional to 252,809.28, 348,877.92 and 139,632.96 is: 192,694.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,809.28 : 348,877.92 = 139,632.96 : x
  2. Step 2: Convert to fraction form
    252,809.28/348,877.92 = 139,632.96/x
  3. Step 3: Cross multiply
    252,809.28x = 348,877.92 × 139,632.96
  4. Step 4: Simplify right side
    252,809.28x = 48,714,856,648.24
  5. Step 5: Solve for x
    x = 48,714,856,648.24/252,809.28
  6. Step 6: Final answer
    x = 192,694.10

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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.