Home / 178,966.72-268,488.96-54,317.44

Finding the Fourth Proportional to 178,966.72, 268,488.96 and 54,317.44

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Solution

The fourth proportional to 178,966.72, 268,488.96 and 54,317.44 is: 81,487.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,966.72 : 268,488.96 = 54,317.44 : x
  2. Step 2: Convert to fraction form
    178,966.72/268,488.96 = 54,317.44/x
  3. Step 3: Cross multiply
    178,966.72x = 268,488.96 × 54,317.44
  4. Step 4: Simplify right side
    178,966.72x = 14,583,632,975.46
  5. Step 5: Solve for x
    x = 14,583,632,975.46/178,966.72
  6. Step 6: Final answer
    x = 81,487.96

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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.