Home / 146,585.20-202,287.18-79,517.20

Finding the Fourth Proportional to 146,585.20, 202,287.18 and 79,517.20

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Solution

The fourth proportional to 146,585.20, 202,287.18 and 79,517.20 is: 109,733.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,585.20 : 202,287.18 = 79,517.20 : x
  2. Step 2: Convert to fraction form
    146,585.20/202,287.18 = 79,517.20/x
  3. Step 3: Cross multiply
    146,585.20x = 202,287.18 × 79,517.20
  4. Step 4: Simplify right side
    146,585.20x = 16,085,310,149.50
  5. Step 5: Solve for x
    x = 16,085,310,149.50/146,585.20
  6. Step 6: Final answer
    x = 109,733.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.