Home / 170,834.50-256,245.36-52,502.78

Finding the Fourth Proportional to 170,834.50, 256,245.36 and 52,502.78

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Solution

The fourth proportional to 170,834.50, 256,245.36 and 52,502.78 is: 78,752.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,834.50 : 256,245.36 = 52,502.78 : x
  2. Step 2: Convert to fraction form
    170,834.50/256,245.36 = 52,502.78/x
  3. Step 3: Cross multiply
    170,834.50x = 256,245.36 × 52,502.78
  4. Step 4: Simplify right side
    170,834.50x = 13,453,594,205.83
  5. Step 5: Solve for x
    x = 13,453,594,205.83/170,834.50
  6. Step 6: Final answer
    x = 78,752.21

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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.