Home / 170,766.15-256,161.53-65,585.12

Finding the Fourth Proportional to 170,766.15, 256,161.53 and 65,585.12

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Solution

The fourth proportional to 170,766.15, 256,161.53 and 65,585.12 is: 98,382.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,766.15 : 256,161.53 = 65,585.12 : x
  2. Step 2: Convert to fraction form
    170,766.15/256,161.53 = 65,585.12/x
  3. Step 3: Cross multiply
    170,766.15x = 256,161.53 × 65,585.12
  4. Step 4: Simplify right side
    170,766.15x = 16,800,383,716.10
  5. Step 5: Solve for x
    x = 16,800,383,716.10/170,766.15
  6. Step 6: Final answer
    x = 98,382.40

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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.