Home / 121,449.27-167,600.19-67,000.21

Finding the Fourth Proportional to 121,449.27, 167,600.19 and 67,000.21

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Solution

The fourth proportional to 121,449.27, 167,600.19 and 67,000.21 is: 92,460.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,449.27 : 167,600.19 = 67,000.21 : x
  2. Step 2: Convert to fraction form
    121,449.27/167,600.19 = 67,000.21/x
  3. Step 3: Cross multiply
    121,449.27x = 167,600.19 × 67,000.21
  4. Step 4: Simplify right side
    121,449.27x = 11,229,248,324.17
  5. Step 5: Solve for x
    x = 11,229,248,324.17/121,449.27
  6. Step 6: Final answer
    x = 92,460.40

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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.