Home / 121,147.52-167,189.07-67,435.96

Finding the Fourth Proportional to 121,147.52, 167,189.07 and 67,435.96

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Solution

The fourth proportional to 121,147.52, 167,189.07 and 67,435.96 is: 93,064.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,147.52 : 167,189.07 = 67,435.96 : x
  2. Step 2: Convert to fraction form
    121,147.52/167,189.07 = 67,435.96/x
  3. Step 3: Cross multiply
    121,147.52x = 167,189.07 × 67,435.96
  4. Step 4: Simplify right side
    121,147.52x = 11,274,555,436.96
  5. Step 5: Solve for x
    x = 11,274,555,436.96/121,147.52
  6. Step 6: Final answer
    x = 93,064.68

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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.