Home / 170,767.20-256,195.60-65,589.60

Finding the Fourth Proportional to 170,767.20, 256,195.60 and 65,589.60

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Solution

The fourth proportional to 170,767.20, 256,195.60 and 65,589.60 is: 98,401.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,767.20 : 256,195.60 = 65,589.60 : x
  2. Step 2: Convert to fraction form
    170,767.20/256,195.60 = 65,589.60/x
  3. Step 3: Cross multiply
    170,767.20x = 256,195.60 × 65,589.60
  4. Step 4: Simplify right side
    170,767.20x = 16,803,766,925.76
  5. Step 5: Solve for x
    x = 16,803,766,925.76/170,767.20
  6. Step 6: Final answer
    x = 98,401.61

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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.