Home / 121,227.24-167,293.17-67,512.90

Finding the Fourth Proportional to 121,227.24, 167,293.17 and 67,512.90

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Solution

The fourth proportional to 121,227.24, 167,293.17 and 67,512.90 is: 93,167.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,227.24 : 167,293.17 = 67,512.90 : x
  2. Step 2: Convert to fraction form
    121,227.24/167,293.17 = 67,512.90/x
  3. Step 3: Cross multiply
    121,227.24x = 167,293.17 × 67,512.90
  4. Step 4: Simplify right side
    121,227.24x = 11,294,447,056.89
  5. Step 5: Solve for x
    x = 11,294,447,056.89/121,227.24
  6. Step 6: Final answer
    x = 93,167.57

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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.