Home / 220,545.45-330,830.73-62,761.50

Finding the Fourth Proportional to 220,545.45, 330,830.73 and 62,761.50

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Solution

The fourth proportional to 220,545.45, 330,830.73 and 62,761.50 is: 94,145.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,545.45 : 330,830.73 = 62,761.50 : x
  2. Step 2: Convert to fraction form
    220,545.45/330,830.73 = 62,761.50/x
  3. Step 3: Cross multiply
    220,545.45x = 330,830.73 × 62,761.50
  4. Step 4: Simplify right side
    220,545.45x = 20,763,432,860.90
  5. Step 5: Solve for x
    x = 20,763,432,860.90/220,545.45
  6. Step 6: Final answer
    x = 94,145.82

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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.