Home / 99,464.20-149,196.30-40,301.80

Finding the Fourth Proportional to 99,464.20, 149,196.30 and 40,301.80

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Solution

The fourth proportional to 99,464.20, 149,196.30 and 40,301.80 is: 60,452.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,464.20 : 149,196.30 = 40,301.80 : x
  2. Step 2: Convert to fraction form
    99,464.20/149,196.30 = 40,301.80/x
  3. Step 3: Cross multiply
    99,464.20x = 149,196.30 × 40,301.80
  4. Step 4: Simplify right side
    99,464.20x = 6,012,879,443.34
  5. Step 5: Solve for x
    x = 6,012,879,443.34/99,464.20
  6. Step 6: Final answer
    x = 60,452.70

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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.