Home / 149,385.20-224,077.80-99,618.80

Finding the Fourth Proportional to 149,385.20, 224,077.80 and 99,618.80

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Solution

The fourth proportional to 149,385.20, 224,077.80 and 99,618.80 is: 149,428.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,385.20 : 224,077.80 = 99,618.80 : x
  2. Step 2: Convert to fraction form
    149,385.20/224,077.80 = 99,618.80/x
  3. Step 3: Cross multiply
    149,385.20x = 224,077.80 × 99,618.80
  4. Step 4: Simplify right side
    149,385.20x = 22,322,361,542.64
  5. Step 5: Solve for x
    x = 22,322,361,542.64/149,385.20
  6. Step 6: Final answer
    x = 149,428.20

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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.