Home / 140,195.68-193,470.33-76,534.54

Finding the Fourth Proportional to 140,195.68, 193,470.33 and 76,534.54

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Solution

The fourth proportional to 140,195.68, 193,470.33 and 76,534.54 is: 105,617.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,195.68 : 193,470.33 = 76,534.54 : x
  2. Step 2: Convert to fraction form
    140,195.68/193,470.33 = 76,534.54/x
  3. Step 3: Cross multiply
    140,195.68x = 193,470.33 × 76,534.54
  4. Step 4: Simplify right side
    140,195.68x = 14,807,162,710.20
  5. Step 5: Solve for x
    x = 14,807,162,710.20/140,195.68
  6. Step 6: Final answer
    x = 105,617.82

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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.