Home / 129,234.36-193,851.30-40,494.66

Finding the Fourth Proportional to 129,234.36, 193,851.30 and 40,494.66

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Solution

The fourth proportional to 129,234.36, 193,851.30 and 40,494.66 is: 60,741.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,234.36 : 193,851.30 = 40,494.66 : x
  2. Step 2: Convert to fraction form
    129,234.36/193,851.30 = 40,494.66/x
  3. Step 3: Cross multiply
    129,234.36x = 193,851.30 × 40,494.66
  4. Step 4: Simplify right side
    129,234.36x = 7,849,942,484.06
  5. Step 5: Solve for x
    x = 7,849,942,484.06/129,234.36
  6. Step 6: Final answer
    x = 60,741.91

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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.