Home / 140,244.11-193,550.87-83,655.48

Finding the Fourth Proportional to 140,244.11, 193,550.87 and 83,655.48

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Solution

The fourth proportional to 140,244.11, 193,550.87 and 83,655.48 is: 115,452.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,244.11 : 193,550.87 = 83,655.48 : x
  2. Step 2: Convert to fraction form
    140,244.11/193,550.87 = 83,655.48/x
  3. Step 3: Cross multiply
    140,244.11x = 193,550.87 × 83,655.48
  4. Step 4: Simplify right side
    140,244.11x = 16,191,591,398.66
  5. Step 5: Solve for x
    x = 16,191,591,398.66/140,244.11
  6. Step 6: Final answer
    x = 115,452.92

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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.