Home / 144,329.21-216,438.45-49,541.73

Finding the Fourth Proportional to 144,329.21, 216,438.45 and 49,541.73

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Solution

The fourth proportional to 144,329.21, 216,438.45 and 49,541.73 is: 74,293.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,329.21 : 216,438.45 = 49,541.73 : x
  2. Step 2: Convert to fraction form
    144,329.21/216,438.45 = 49,541.73/x
  3. Step 3: Cross multiply
    144,329.21x = 216,438.45 × 49,541.73
  4. Step 4: Simplify right side
    144,329.21x = 10,722,735,251.52
  5. Step 5: Solve for x
    x = 10,722,735,251.52/144,329.21
  6. Step 6: Final answer
    x = 74,293.59

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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.