Home / 150,677.32-207,872.42-86,969.96

Finding the Fourth Proportional to 150,677.32, 207,872.42 and 86,969.96

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Solution

The fourth proportional to 150,677.32, 207,872.42 and 86,969.96 is: 119,982.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,677.32 : 207,872.42 = 86,969.96 : x
  2. Step 2: Convert to fraction form
    150,677.32/207,872.42 = 86,969.96/x
  3. Step 3: Cross multiply
    150,677.32x = 207,872.42 × 86,969.96
  4. Step 4: Simplify right side
    150,677.32x = 18,078,656,052.50
  5. Step 5: Solve for x
    x = 18,078,656,052.50/150,677.32
  6. Step 6: Final answer
    x = 119,982.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.