Home / 220,836.17-331,259.70-80,594.75

Finding the Fourth Proportional to 220,836.17, 331,259.70 and 80,594.75

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Solution

The fourth proportional to 220,836.17, 331,259.70 and 80,594.75 is: 120,894.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,836.17 : 331,259.70 = 80,594.75 : x
  2. Step 2: Convert to fraction form
    220,836.17/331,259.70 = 80,594.75/x
  3. Step 3: Cross multiply
    220,836.17x = 331,259.70 × 80,594.75
  4. Step 4: Simplify right side
    220,836.17x = 26,697,792,706.58
  5. Step 5: Solve for x
    x = 26,697,792,706.58/220,836.17
  6. Step 6: Final answer
    x = 120,894.11

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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.