Home / 170,887.20-256,334.85-52,559.61

Finding the Fourth Proportional to 170,887.20, 256,334.85 and 52,559.61

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Solution

The fourth proportional to 170,887.20, 256,334.85 and 52,559.61 is: 78,840.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,887.20 : 256,334.85 = 52,559.61 : x
  2. Step 2: Convert to fraction form
    170,887.20/256,334.85 = 52,559.61/x
  3. Step 3: Cross multiply
    170,887.20x = 256,334.85 × 52,559.61
  4. Step 4: Simplify right side
    170,887.20x = 13,472,859,745.41
  5. Step 5: Solve for x
    x = 13,472,859,745.41/170,887.20
  6. Step 6: Final answer
    x = 78,840.66

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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.