Home / 146,716.10-220,074.15-76,616.90

Finding the Fourth Proportional to 146,716.10, 220,074.15 and 76,616.90

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Solution

The fourth proportional to 146,716.10, 220,074.15 and 76,616.90 is: 114,925.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,716.10 : 220,074.15 = 76,616.90 : x
  2. Step 2: Convert to fraction form
    146,716.10/220,074.15 = 76,616.90/x
  3. Step 3: Cross multiply
    146,716.10x = 220,074.15 × 76,616.90
  4. Step 4: Simplify right side
    146,716.10x = 16,861,399,143.14
  5. Step 5: Solve for x
    x = 16,861,399,143.14/146,716.10
  6. Step 6: Final answer
    x = 114,925.35

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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.