Home / 99,534.25-149,183.07-69,385.55

Finding the Fourth Proportional to 99,534.25, 149,183.07 and 69,385.55

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Solution

The fourth proportional to 99,534.25, 149,183.07 and 69,385.55 is: 103,995.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,534.25 : 149,183.07 = 69,385.55 : x
  2. Step 2: Convert to fraction form
    99,534.25/149,183.07 = 69,385.55/x
  3. Step 3: Cross multiply
    99,534.25x = 149,183.07 × 69,385.55
  4. Step 4: Simplify right side
    99,534.25x = 10,351,148,356.53
  5. Step 5: Solve for x
    x = 10,351,148,356.53/99,534.25
  6. Step 6: Final answer
    x = 103,995.84

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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.