Home / 144,304.20-216,436-49,532.84

Finding the Fourth Proportional to 144,304.20, 216,436 and 49,532.84

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Solution

The fourth proportional to 144,304.20, 216,436 and 49,532.84 is: 74,292.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,304.20 : 216,436 = 49,532.84 : x
  2. Step 2: Convert to fraction form
    144,304.20/216,436 = 49,532.84/x
  3. Step 3: Cross multiply
    144,304.20x = 216,436 × 49,532.84
  4. Step 4: Simplify right side
    144,304.20x = 10,720,689,758.24
  5. Step 5: Solve for x
    x = 10,720,689,758.24/144,304.20
  6. Step 6: Final answer
    x = 74,292.29

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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.