Home / 167,821.28-251,731.60-49,575.66

Finding the Fourth Proportional to 167,821.28, 251,731.60 and 49,575.66

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Solution

The fourth proportional to 167,821.28, 251,731.60 and 49,575.66 is: 74,363.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,821.28 : 251,731.60 = 49,575.66 : x
  2. Step 2: Convert to fraction form
    167,821.28/251,731.60 = 49,575.66/x
  3. Step 3: Cross multiply
    167,821.28x = 251,731.60 × 49,575.66
  4. Step 4: Simplify right side
    167,821.28x = 12,479,760,212.86
  5. Step 5: Solve for x
    x = 12,479,760,212.86/167,821.28
  6. Step 6: Final answer
    x = 74,363.40

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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.