Home / 319,063.20-440,304.96-175,819.68

Finding the Fourth Proportional to 319,063.20, 440,304.96 and 175,819.68

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Solution

The fourth proportional to 319,063.20, 440,304.96 and 175,819.68 is: 242,629.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,063.20 : 440,304.96 = 175,819.68 : x
  2. Step 2: Convert to fraction form
    319,063.20/440,304.96 = 175,819.68/x
  3. Step 3: Cross multiply
    319,063.20x = 440,304.96 × 175,819.68
  4. Step 4: Simplify right side
    319,063.20x = 77,414,277,169.61
  5. Step 5: Solve for x
    x = 77,414,277,169.61/319,063.20
  6. Step 6: Final answer
    x = 242,629.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.