Home / 150,371.16-207,512.10-82,392.54

Finding the Fourth Proportional to 150,371.16, 207,512.10 and 82,392.54

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Solution

The fourth proportional to 150,371.16, 207,512.10 and 82,392.54 is: 113,701.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,371.16 : 207,512.10 = 82,392.54 : x
  2. Step 2: Convert to fraction form
    150,371.16/207,512.10 = 82,392.54/x
  3. Step 3: Cross multiply
    150,371.16x = 207,512.10 × 82,392.54
  4. Step 4: Simplify right side
    150,371.16x = 17,097,448,999.73
  5. Step 5: Solve for x
    x = 17,097,448,999.73/150,371.16
  6. Step 6: Final answer
    x = 113,701.65

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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.