Home / 150,239.60-207,331.08-82,257.20

Finding the Fourth Proportional to 150,239.60, 207,331.08 and 82,257.20

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Solution

The fourth proportional to 150,239.60, 207,331.08 and 82,257.20 is: 113,515.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,239.60 : 207,331.08 = 82,257.20 : x
  2. Step 2: Convert to fraction form
    150,239.60/207,331.08 = 82,257.20/x
  3. Step 3: Cross multiply
    150,239.60x = 207,331.08 × 82,257.20
  4. Step 4: Simplify right side
    150,239.60x = 17,054,474,113.78
  5. Step 5: Solve for x
    x = 17,054,474,113.78/150,239.60
  6. Step 6: Final answer
    x = 113,515.17

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1.5x scale

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.