Home / 140,101.20-193,281.17-91,714.95

Finding the Fourth Proportional to 140,101.20, 193,281.17 and 91,714.95

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Solution

The fourth proportional to 140,101.20, 193,281.17 and 91,714.95 is: 126,528.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,101.20 : 193,281.17 = 91,714.95 : x
  2. Step 2: Convert to fraction form
    140,101.20/193,281.17 = 91,714.95/x
  3. Step 3: Cross multiply
    140,101.20x = 193,281.17 × 91,714.95
  4. Step 4: Simplify right side
    140,101.20x = 17,726,772,383.92
  5. Step 5: Solve for x
    x = 17,726,772,383.92/140,101.20
  6. Step 6: Final answer
    x = 126,528.34

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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.