Home / 129,233.36-193,849.80-40,493.66

Finding the Fourth Proportional to 129,233.36, 193,849.80 and 40,493.66

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Solution

The fourth proportional to 129,233.36, 193,849.80 and 40,493.66 is: 60,740.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,233.36 : 193,849.80 = 40,493.66 : x
  2. Step 2: Convert to fraction form
    129,233.36/193,849.80 = 40,493.66/x
  3. Step 3: Cross multiply
    129,233.36x = 193,849.80 × 40,493.66
  4. Step 4: Simplify right side
    129,233.36x = 7,849,687,892.27
  5. Step 5: Solve for x
    x = 7,849,687,892.27/129,233.36
  6. Step 6: Final answer
    x = 60,740.41

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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.