Home / 121,269.91-167,341.62-67,553.77

Finding the Fourth Proportional to 121,269.91, 167,341.62 and 67,553.77

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Solution

The fourth proportional to 121,269.91, 167,341.62 and 67,553.77 is: 93,218.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,269.91 : 167,341.62 = 67,553.77 : x
  2. Step 2: Convert to fraction form
    121,269.91/167,341.62 = 67,553.77/x
  3. Step 3: Cross multiply
    121,269.91x = 167,341.62 × 67,553.77
  4. Step 4: Simplify right side
    121,269.91x = 11,304,557,308.91
  5. Step 5: Solve for x
    x = 11,304,557,308.91/121,269.91
  6. Step 6: Final answer
    x = 93,218.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.