Home / 150,091.45-207,127.84-82,106.97

Finding the Fourth Proportional to 150,091.45, 207,127.84 and 82,106.97

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Solution

The fourth proportional to 150,091.45, 207,127.84 and 82,106.97 is: 113,308.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,091.45 : 207,127.84 = 82,106.97 : x
  2. Step 2: Convert to fraction form
    150,091.45/207,127.84 = 82,106.97/x
  3. Step 3: Cross multiply
    150,091.45x = 207,127.84 × 82,106.97
  4. Step 4: Simplify right side
    150,091.45x = 17,006,638,574.73
  5. Step 5: Solve for x
    x = 17,006,638,574.73/150,091.45
  6. Step 6: Final answer
    x = 113,308.51

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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.