Home / 179,221.57-268,666.20-79,328.52

Finding the Fourth Proportional to 179,221.57, 268,666.20 and 79,328.52

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Solution

The fourth proportional to 179,221.57, 268,666.20 and 79,328.52 is: 118,919.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,221.57 : 268,666.20 = 79,328.52 : x
  2. Step 2: Convert to fraction form
    179,221.57/268,666.20 = 79,328.52/x
  3. Step 3: Cross multiply
    179,221.57x = 268,666.20 × 79,328.52
  4. Step 4: Simplify right side
    179,221.57x = 21,312,892,020.02
  5. Step 5: Solve for x
    x = 21,312,892,020.02/179,221.57
  6. Step 6: Final answer
    x = 118,919.24

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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.