Home / 149,245.40-223,868.10-132,915.80

Finding the Fourth Proportional to 149,245.40, 223,868.10 and 132,915.80

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Solution

The fourth proportional to 149,245.40, 223,868.10 and 132,915.80 is: 199,373.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,245.40 : 223,868.10 = 132,915.80 : x
  2. Step 2: Convert to fraction form
    149,245.40/223,868.10 = 132,915.80/x
  3. Step 3: Cross multiply
    149,245.40x = 223,868.10 × 132,915.80
  4. Step 4: Simplify right side
    149,245.40x = 29,755,607,605.98
  5. Step 5: Solve for x
    x = 29,755,607,605.98/149,245.40
  6. Step 6: Final answer
    x = 199,373.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.