Home / 178,318.40-267,289-65,926.44

Finding the Fourth Proportional to 178,318.40, 267,289 and 65,926.44

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Solution

The fourth proportional to 178,318.40, 267,289 and 65,926.44 is: 98,819.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,318.40 : 267,289 = 65,926.44 : x
  2. Step 2: Convert to fraction form
    178,318.40/267,289 = 65,926.44/x
  3. Step 3: Cross multiply
    178,318.40x = 267,289 × 65,926.44
  4. Step 4: Simplify right side
    178,318.40x = 17,621,412,221.16
  5. Step 5: Solve for x
    x = 17,621,412,221.16/178,318.40
  6. Step 6: Final answer
    x = 98,819.93

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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.