Home / 99,180.20-148,770.30-25,308.20

Finding the Fourth Proportional to 99,180.20, 148,770.30 and 25,308.20

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Solution

The fourth proportional to 99,180.20, 148,770.30 and 25,308.20 is: 37,962.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,180.20 : 148,770.30 = 25,308.20 : x
  2. Step 2: Convert to fraction form
    99,180.20/148,770.30 = 25,308.20/x
  3. Step 3: Cross multiply
    99,180.20x = 148,770.30 × 25,308.20
  4. Step 4: Simplify right side
    99,180.20x = 3,765,107,762.61
  5. Step 5: Solve for x
    x = 3,765,107,762.61/99,180.20
  6. Step 6: Final answer
    x = 37,962.29

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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.