Home / 121,229.04-167,293.18-67,512.86

Finding the Fourth Proportional to 121,229.04, 167,293.18 and 67,512.86

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Solution

The fourth proportional to 121,229.04, 167,293.18 and 67,512.86 is: 93,166.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,229.04 : 167,293.18 = 67,512.86 : x
  2. Step 2: Convert to fraction form
    121,229.04/167,293.18 = 67,512.86/x
  3. Step 3: Cross multiply
    121,229.04x = 167,293.18 × 67,512.86
  4. Step 4: Simplify right side
    121,229.04x = 11,294,441,040.29
  5. Step 5: Solve for x
    x = 11,294,441,040.29/121,229.04
  6. Step 6: Final answer
    x = 93,166.13

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1.5x scale

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.