Home / 220,787.10-331,081.02-62,978.04

Finding the Fourth Proportional to 220,787.10, 331,081.02 and 62,978.04

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Solution

The fourth proportional to 220,787.10, 331,081.02 and 62,978.04 is: 94,438.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,787.10 : 331,081.02 = 62,978.04 : x
  2. Step 2: Convert to fraction form
    220,787.10/331,081.02 = 62,978.04/x
  3. Step 3: Cross multiply
    220,787.10x = 331,081.02 × 62,978.04
  4. Step 4: Simplify right side
    220,787.10x = 20,850,833,720.80
  5. Step 5: Solve for x
    x = 20,850,833,720.80/220,787.10
  6. Step 6: Final answer
    x = 94,438.64

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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.