Home / 121,334.27-167,446.13-67,618.80

Finding the Fourth Proportional to 121,334.27, 167,446.13 and 67,618.80

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Solution

The fourth proportional to 121,334.27, 167,446.13 and 67,618.80 is: 93,316.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,334.27 : 167,446.13 = 67,618.80 : x
  2. Step 2: Convert to fraction form
    121,334.27/167,446.13 = 67,618.80/x
  3. Step 3: Cross multiply
    121,334.27x = 167,446.13 × 67,618.80
  4. Step 4: Simplify right side
    121,334.27x = 11,322,506,037.15
  5. Step 5: Solve for x
    x = 11,322,506,037.15/121,334.27
  6. Step 6: Final answer
    x = 93,316.64

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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.