Home / 179,098.90-268,432.08-79,145.71

Finding the Fourth Proportional to 179,098.90, 268,432.08 and 79,145.71

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Solution

The fourth proportional to 179,098.90, 268,432.08 and 79,145.71 is: 118,622.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,098.90 : 268,432.08 = 79,145.71 : x
  2. Step 2: Convert to fraction form
    179,098.90/268,432.08 = 79,145.71/x
  3. Step 3: Cross multiply
    179,098.90x = 268,432.08 × 79,145.71
  4. Step 4: Simplify right side
    179,098.90x = 21,245,246,590.50
  5. Step 5: Solve for x
    x = 21,245,246,590.50/179,098.90
  6. Step 6: Final answer
    x = 118,622.99

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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.