Home / 150,439.90-207,579.82-96,712.60

Finding the Fourth Proportional to 150,439.90, 207,579.82 and 96,712.60

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Solution

The fourth proportional to 150,439.90, 207,579.82 and 96,712.60 is: 133,445.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,439.90 : 207,579.82 = 96,712.60 : x
  2. Step 2: Convert to fraction form
    150,439.90/207,579.82 = 96,712.60/x
  3. Step 3: Cross multiply
    150,439.90x = 207,579.82 × 96,712.60
  4. Step 4: Simplify right side
    150,439.90x = 20,075,584,099.73
  5. Step 5: Solve for x
    x = 20,075,584,099.73/150,439.90
  6. Step 6: Final answer
    x = 133,445.88

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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.