Home / 140,125.48-193,398.24-83,540.56

Finding the Fourth Proportional to 140,125.48, 193,398.24 and 83,540.56

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Solution

The fourth proportional to 140,125.48, 193,398.24 and 83,540.56 is: 115,300.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,125.48 : 193,398.24 = 83,540.56 : x
  2. Step 2: Convert to fraction form
    140,125.48/193,398.24 = 83,540.56/x
  3. Step 3: Cross multiply
    140,125.48x = 193,398.24 × 83,540.56
  4. Step 4: Simplify right side
    140,125.48x = 16,156,597,272.61
  5. Step 5: Solve for x
    x = 16,156,597,272.61/140,125.48
  6. Step 6: Final answer
    x = 115,300.92

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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.