Home / 178,941.25-268,405.65-45,822.61

Finding the Fourth Proportional to 178,941.25, 268,405.65 and 45,822.61

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Solution

The fourth proportional to 178,941.25, 268,405.65 and 45,822.61 is: 68,732.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,941.25 : 268,405.65 = 45,822.61 : x
  2. Step 2: Convert to fraction form
    178,941.25/268,405.65 = 45,822.61/x
  3. Step 3: Cross multiply
    178,941.25x = 268,405.65 × 45,822.61
  4. Step 4: Simplify right side
    178,941.25x = 12,299,047,757.25
  5. Step 5: Solve for x
    x = 12,299,047,757.25/178,941.25
  6. Step 6: Final answer
    x = 68,732.32

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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.