Home / 144,591.10-216,821.85-55,815.10

Finding the Fourth Proportional to 144,591.10, 216,821.85 and 55,815.10

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Solution

The fourth proportional to 144,591.10, 216,821.85 and 55,815.10 is: 83,697.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,591.10 : 216,821.85 = 55,815.10 : x
  2. Step 2: Convert to fraction form
    144,591.10/216,821.85 = 55,815.10/x
  3. Step 3: Cross multiply
    144,591.10x = 216,821.85 × 55,815.10
  4. Step 4: Simplify right side
    144,591.10x = 12,101,933,239.94
  5. Step 5: Solve for x
    x = 12,101,933,239.94/144,591.10
  6. Step 6: Final answer
    x = 83,697.64

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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.