Home / 121,248.38-167,264.78-94,205.80

Finding the Fourth Proportional to 121,248.38, 167,264.78 and 94,205.80

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Solution

The fourth proportional to 121,248.38, 167,264.78 and 94,205.80 is: 129,958.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,248.38 : 167,264.78 = 94,205.80 : x
  2. Step 2: Convert to fraction form
    121,248.38/167,264.78 = 94,205.80/x
  3. Step 3: Cross multiply
    121,248.38x = 167,264.78 × 94,205.80
  4. Step 4: Simplify right side
    121,248.38x = 15,757,312,411.72
  5. Step 5: Solve for x
    x = 15,757,312,411.72/121,248.38
  6. Step 6: Final answer
    x = 129,958.95

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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.