Home / 179,234.20-268,592.10-79,312.60

Finding the Fourth Proportional to 179,234.20, 268,592.10 and 79,312.60

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Solution

The fourth proportional to 179,234.20, 268,592.10 and 79,312.60 is: 118,854.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,234.20 : 268,592.10 = 79,312.60 : x
  2. Step 2: Convert to fraction form
    179,234.20/268,592.10 = 79,312.60/x
  3. Step 3: Cross multiply
    179,234.20x = 268,592.10 × 79,312.60
  4. Step 4: Simplify right side
    179,234.20x = 21,302,737,790.46
  5. Step 5: Solve for x
    x = 21,302,737,790.46/179,234.20
  6. Step 6: Final answer
    x = 118,854.20

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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.