Home / 178,965.72-268,487.46-54,316.44

Finding the Fourth Proportional to 178,965.72, 268,487.46 and 54,316.44

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Solution

The fourth proportional to 178,965.72, 268,487.46 and 54,316.44 is: 81,486.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,965.72 : 268,487.46 = 54,316.44 : x
  2. Step 2: Convert to fraction form
    178,965.72/268,487.46 = 54,316.44/x
  3. Step 3: Cross multiply
    178,965.72x = 268,487.46 × 54,316.44
  4. Step 4: Simplify right side
    178,965.72x = 14,583,283,011.84
  5. Step 5: Solve for x
    x = 14,583,283,011.84/178,965.72
  6. Step 6: Final answer
    x = 81,486.46

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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.