Home / 149,534.46-206,333.88-89,103.60

Finding the Fourth Proportional to 149,534.46, 206,333.88 and 89,103.60

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Solution

The fourth proportional to 149,534.46, 206,333.88 and 89,103.60 is: 122,948.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,534.46 : 206,333.88 = 89,103.60 : x
  2. Step 2: Convert to fraction form
    149,534.46/206,333.88 = 89,103.60/x
  3. Step 3: Cross multiply
    149,534.46x = 206,333.88 × 89,103.60
  4. Step 4: Simplify right side
    149,534.46x = 18,385,091,509.97
  5. Step 5: Solve for x
    x = 18,385,091,509.97/149,534.46
  6. Step 6: Final answer
    x = 122,948.86

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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.