Home / 144,336.72-216,449.68-49,549.24

Finding the Fourth Proportional to 144,336.72, 216,449.68 and 49,549.24

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Solution

The fourth proportional to 144,336.72, 216,449.68 and 49,549.24 is: 74,304.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,336.72 : 216,449.68 = 49,549.24 : x
  2. Step 2: Convert to fraction form
    144,336.72/216,449.68 = 49,549.24/x
  3. Step 3: Cross multiply
    144,336.72x = 216,449.68 × 49,549.24
  4. Step 4: Simplify right side
    144,336.72x = 10,724,917,142.24
  5. Step 5: Solve for x
    x = 10,724,917,142.24/144,336.72
  6. Step 6: Final answer
    x = 74,304.84

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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.