Home / 667,395.34-1,001,084.65-161,960.50

Finding the Fourth Proportional to 667,395.34, 1,001,084.65 and 161,960.50

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Solution

The fourth proportional to 667,395.34, 1,001,084.65 and 161,960.50 is: 242,938.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,395.34 : 1,001,084.65 = 161,960.50 : x
  2. Step 2: Convert to fraction form
    667,395.34/1,001,084.65 = 161,960.50/x
  3. Step 3: Cross multiply
    667,395.34x = 1,001,084.65 × 161,960.50
  4. Step 4: Simplify right side
    667,395.34x = 162,136,170,456.33
  5. Step 5: Solve for x
    x = 162,136,170,456.33/667,395.34
  6. Step 6: Final answer
    x = 242,938.72

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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.