Home / 121,321.16-167,435.46-67,614.92

Finding the Fourth Proportional to 121,321.16, 167,435.46 and 67,614.92

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Solution

The fourth proportional to 121,321.16, 167,435.46 and 67,614.92 is: 93,315.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,321.16 : 167,435.46 = 67,614.92 : x
  2. Step 2: Convert to fraction form
    121,321.16/167,435.46 = 67,614.92/x
  3. Step 3: Cross multiply
    121,321.16x = 167,435.46 × 67,614.92
  4. Step 4: Simplify right side
    121,321.16x = 11,321,135,233.06
  5. Step 5: Solve for x
    x = 11,321,135,233.06/121,321.16
  6. Step 6: Final answer
    x = 93,315.42

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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.