Home / 144,629.20-216,976.20-55,874.80

Finding the Fourth Proportional to 144,629.20, 216,976.20 and 55,874.80

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Solution

The fourth proportional to 144,629.20, 216,976.20 and 55,874.80 is: 83,824.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,629.20 : 216,976.20 = 55,874.80 : x
  2. Step 2: Convert to fraction form
    144,629.20/216,976.20 = 55,874.80/x
  3. Step 3: Cross multiply
    144,629.20x = 216,976.20 × 55,874.80
  4. Step 4: Simplify right side
    144,629.20x = 12,123,501,779.76
  5. Step 5: Solve for x
    x = 12,123,501,779.76/144,629.20
  6. Step 6: Final answer
    x = 83,824.72

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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.