Home / 99,635.20-149,348.98-43,460.22

Finding the Fourth Proportional to 99,635.20, 149,348.98 and 43,460.22

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Solution

The fourth proportional to 99,635.20, 149,348.98 and 43,460.22 is: 65,145.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,635.20 : 149,348.98 = 43,460.22 : x
  2. Step 2: Convert to fraction form
    99,635.20/149,348.98 = 43,460.22/x
  3. Step 3: Cross multiply
    99,635.20x = 149,348.98 × 43,460.22
  4. Step 4: Simplify right side
    99,635.20x = 6,490,739,527.58
  5. Step 5: Solve for x
    x = 6,490,739,527.58/99,635.20
  6. Step 6: Final answer
    x = 65,145.04

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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.