Home / 150,254.31-207,344.55-82,270.05

Finding the Fourth Proportional to 150,254.31, 207,344.55 and 82,270.05

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Solution

The fourth proportional to 150,254.31, 207,344.55 and 82,270.05 is: 113,529.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,254.31 : 207,344.55 = 82,270.05 : x
  2. Step 2: Convert to fraction form
    150,254.31/207,344.55 = 82,270.05/x
  3. Step 3: Cross multiply
    150,254.31x = 207,344.55 × 82,270.05
  4. Step 4: Simplify right side
    150,254.31x = 17,058,246,495.73
  5. Step 5: Solve for x
    x = 17,058,246,495.73/150,254.31
  6. Step 6: Final answer
    x = 113,529.17

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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.