Home / 170,820.76-256,204.80-58,475.20

Finding the Fourth Proportional to 170,820.76, 256,204.80 and 58,475.20

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Solution

The fourth proportional to 170,820.76, 256,204.80 and 58,475.20 is: 87,703.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,820.76 : 256,204.80 = 58,475.20 : x
  2. Step 2: Convert to fraction form
    170,820.76/256,204.80 = 58,475.20/x
  3. Step 3: Cross multiply
    170,820.76x = 256,204.80 × 58,475.20
  4. Step 4: Simplify right side
    170,820.76x = 14,981,626,920.96
  5. Step 5: Solve for x
    x = 14,981,626,920.96/170,820.76
  6. Step 6: Final answer
    x = 87,703.78

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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.