Home / 178,772.20-268,194.30-52,412.20

Finding the Fourth Proportional to 178,772.20, 268,194.30 and 52,412.20

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Solution

The fourth proportional to 178,772.20, 268,194.30 and 52,412.20 is: 78,628.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,772.20 : 268,194.30 = 52,412.20 : x
  2. Step 2: Convert to fraction form
    178,772.20/268,194.30 = 52,412.20/x
  3. Step 3: Cross multiply
    178,772.20x = 268,194.30 × 52,412.20
  4. Step 4: Simplify right side
    178,772.20x = 14,056,653,290.46
  5. Step 5: Solve for x
    x = 14,056,653,290.46/178,772.20
  6. Step 6: Final answer
    x = 78,628.85

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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.