Home / 121,714.43-182,442.24-71,818.02

Finding the Fourth Proportional to 121,714.43, 182,442.24 and 71,818.02

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Solution

The fourth proportional to 121,714.43, 182,442.24 and 71,818.02 is: 107,650.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,714.43 : 182,442.24 = 71,818.02 : x
  2. Step 2: Convert to fraction form
    121,714.43/182,442.24 = 71,818.02/x
  3. Step 3: Cross multiply
    121,714.43x = 182,442.24 × 71,818.02
  4. Step 4: Simplify right side
    121,714.43x = 13,102,640,441.16
  5. Step 5: Solve for x
    x = 13,102,640,441.16/121,714.43
  6. Step 6: Final answer
    x = 107,650.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.