Home / 121,217.27-181,854.54-38,111.27

Finding the Fourth Proportional to 121,217.27, 181,854.54 and 38,111.27

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Solution

The fourth proportional to 121,217.27, 181,854.54 and 38,111.27 is: 57,175.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,217.27 : 181,854.54 = 38,111.27 : x
  2. Step 2: Convert to fraction form
    121,217.27/181,854.54 = 38,111.27/x
  3. Step 3: Cross multiply
    121,217.27x = 181,854.54 × 38,111.27
  4. Step 4: Simplify right side
    121,217.27x = 6,930,706,565.39
  5. Step 5: Solve for x
    x = 6,930,706,565.39/121,217.27
  6. Step 6: Final answer
    x = 57,175.90

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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.