Home / 170,768.28-256,164.72-65,587.25

Finding the Fourth Proportional to 170,768.28, 256,164.72 and 65,587.25

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Solution

The fourth proportional to 170,768.28, 256,164.72 and 65,587.25 is: 98,385.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,768.28 : 256,164.72 = 65,587.25 : x
  2. Step 2: Convert to fraction form
    170,768.28/256,164.72 = 65,587.25/x
  3. Step 3: Cross multiply
    170,768.28x = 256,164.72 × 65,587.25
  4. Step 4: Simplify right side
    170,768.28x = 16,801,138,251.00
  5. Step 5: Solve for x
    x = 16,801,138,251.00/170,768.28
  6. Step 6: Final answer
    x = 98,385.59

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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.