Home / 121,180.72-167,232.24-67,469.35

Finding the Fourth Proportional to 121,180.72, 167,232.24 and 67,469.35

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Solution

The fourth proportional to 121,180.72, 167,232.24 and 67,469.35 is: 93,109.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,180.72 : 167,232.24 = 67,469.35 : x
  2. Step 2: Convert to fraction form
    121,180.72/167,232.24 = 67,469.35/x
  3. Step 3: Cross multiply
    121,180.72x = 167,232.24 × 67,469.35
  4. Step 4: Simplify right side
    121,180.72x = 11,283,050,531.84
  5. Step 5: Solve for x
    x = 11,283,050,531.84/121,180.72
  6. Step 6: Final answer
    x = 93,109.29

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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.