Home / 252,698.22-348,726.15-139,520.70

Finding the Fourth Proportional to 252,698.22, 348,726.15 and 139,520.70

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Solution

The fourth proportional to 252,698.22, 348,726.15 and 139,520.70 is: 192,540.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,698.22 : 348,726.15 = 139,520.70 : x
  2. Step 2: Convert to fraction form
    252,698.22/348,726.15 = 139,520.70/x
  3. Step 3: Cross multiply
    252,698.22x = 348,726.15 × 139,520.70
  4. Step 4: Simplify right side
    252,698.22x = 48,654,516,556.31
  5. Step 5: Solve for x
    x = 48,654,516,556.31/252,698.22
  6. Step 6: Final answer
    x = 192,540.01

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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.