Home / 438,766.75-658,150.13-106,342.75

Finding the Fourth Proportional to 438,766.75, 658,150.13 and 106,342.75

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Solution

The fourth proportional to 438,766.75, 658,150.13 and 106,342.75 is: 159,514.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,766.75 : 658,150.13 = 106,342.75 : x
  2. Step 2: Convert to fraction form
    438,766.75/658,150.13 = 106,342.75/x
  3. Step 3: Cross multiply
    438,766.75x = 658,150.13 × 106,342.75
  4. Step 4: Simplify right side
    438,766.75x = 69,989,494,737.06
  5. Step 5: Solve for x
    x = 69,989,494,737.06/438,766.75
  6. Step 6: Final answer
    x = 159,514.13

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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.