Home / 121,340.28-167,454.42-67,624.80

Finding the Fourth Proportional to 121,340.28, 167,454.42 and 67,624.80

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Solution

The fourth proportional to 121,340.28, 167,454.42 and 67,624.80 is: 93,324.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,340.28 : 167,454.42 = 67,624.80 : x
  2. Step 2: Convert to fraction form
    121,340.28/167,454.42 = 67,624.80/x
  3. Step 3: Cross multiply
    121,340.28x = 167,454.42 × 67,624.80
  4. Step 4: Simplify right side
    121,340.28x = 11,324,071,661.62
  5. Step 5: Solve for x
    x = 11,324,071,661.62/121,340.28
  6. Step 6: Final answer
    x = 93,324.92

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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.