Home / 129,096.40-193,644.76-40,350.36

Finding the Fourth Proportional to 129,096.40, 193,644.76 and 40,350.36

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Solution

The fourth proportional to 129,096.40, 193,644.76 and 40,350.36 is: 60,525.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,096.40 : 193,644.76 = 40,350.36 : x
  2. Step 2: Convert to fraction form
    129,096.40/193,644.76 = 40,350.36/x
  3. Step 3: Cross multiply
    129,096.40x = 193,644.76 × 40,350.36
  4. Step 4: Simplify right side
    129,096.40x = 7,813,635,778.11
  5. Step 5: Solve for x
    x = 7,813,635,778.11/129,096.40
  6. Step 6: Final answer
    x = 60,525.59

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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.