Home / 99,618.24-149,646.33-60,198.78

Finding the Fourth Proportional to 99,618.24, 149,646.33 and 60,198.78

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Solution

The fourth proportional to 99,618.24, 149,646.33 and 60,198.78 is: 90,430.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,618.24 : 149,646.33 = 60,198.78 : x
  2. Step 2: Convert to fraction form
    99,618.24/149,646.33 = 60,198.78/x
  3. Step 3: Cross multiply
    99,618.24x = 149,646.33 × 60,198.78
  4. Step 4: Simplify right side
    99,618.24x = 9,008,526,497.48
  5. Step 5: Solve for x
    x = 9,008,526,497.48/99,618.24
  6. Step 6: Final answer
    x = 90,430.49

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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.