Home / 170,834.61-256,276.41-52,515.88

Finding the Fourth Proportional to 170,834.61, 256,276.41 and 52,515.88

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Solution

The fourth proportional to 170,834.61, 256,276.41 and 52,515.88 is: 78,781.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,834.61 : 256,276.41 = 52,515.88 : x
  2. Step 2: Convert to fraction form
    170,834.61/256,276.41 = 52,515.88/x
  3. Step 3: Cross multiply
    170,834.61x = 256,276.41 × 52,515.88
  4. Step 4: Simplify right side
    170,834.61x = 13,458,581,194.39
  5. Step 5: Solve for x
    x = 13,458,581,194.39/170,834.61
  6. Step 6: Final answer
    x = 78,781.35

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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.