Home / 99,520.40-149,280.60-44,116.40

Finding the Fourth Proportional to 99,520.40, 149,280.60 and 44,116.40

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Solution

The fourth proportional to 99,520.40, 149,280.60 and 44,116.40 is: 66,174.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,520.40 : 149,280.60 = 44,116.40 : x
  2. Step 2: Convert to fraction form
    99,520.40/149,280.60 = 44,116.40/x
  3. Step 3: Cross multiply
    99,520.40x = 149,280.60 × 44,116.40
  4. Step 4: Simplify right side
    99,520.40x = 6,585,722,661.84
  5. Step 5: Solve for x
    x = 6,585,722,661.84/99,520.40
  6. Step 6: Final answer
    x = 66,174.60

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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.