Home / 121,552.48-182,305.60-51,480.96

Finding the Fourth Proportional to 121,552.48, 182,305.60 and 51,480.96

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Solution

The fourth proportional to 121,552.48, 182,305.60 and 51,480.96 is: 77,211.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,552.48 : 182,305.60 = 51,480.96 : x
  2. Step 2: Convert to fraction form
    121,552.48/182,305.60 = 51,480.96/x
  3. Step 3: Cross multiply
    121,552.48x = 182,305.60 × 51,480.96
  4. Step 4: Simplify right side
    121,552.48x = 9,385,267,301.38
  5. Step 5: Solve for x
    x = 9,385,267,301.38/121,552.48
  6. Step 6: Final answer
    x = 77,211.65

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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.