Home / 132,839.48-199,306.80-56,906.16

Finding the Fourth Proportional to 132,839.48, 199,306.80 and 56,906.16

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Solution

The fourth proportional to 132,839.48, 199,306.80 and 56,906.16 is: 85,379.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,839.48 : 199,306.80 = 56,906.16 : x
  2. Step 2: Convert to fraction form
    132,839.48/199,306.80 = 56,906.16/x
  3. Step 3: Cross multiply
    132,839.48x = 199,306.80 × 56,906.16
  4. Step 4: Simplify right side
    132,839.48x = 11,341,784,649.89
  5. Step 5: Solve for x
    x = 11,341,784,649.89/132,839.48
  6. Step 6: Final answer
    x = 85,379.63

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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.