Home / 170,766.40-256,125.30-58,451.80

Finding the Fourth Proportional to 170,766.40, 256,125.30 and 58,451.80

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Solution

The fourth proportional to 170,766.40, 256,125.30 and 58,451.80 is: 87,669.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,766.40 : 256,125.30 = 58,451.80 : x
  2. Step 2: Convert to fraction form
    170,766.40/256,125.30 = 58,451.80/x
  3. Step 3: Cross multiply
    170,766.40x = 256,125.30 × 58,451.80
  4. Step 4: Simplify right side
    170,766.40x = 14,970,984,810.54
  5. Step 5: Solve for x
    x = 14,970,984,810.54/170,766.40
  6. Step 6: Final answer
    x = 87,669.38

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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.