Home / 150,513.57-207,711.07-82,536.75

Finding the Fourth Proportional to 150,513.57, 207,711.07 and 82,536.75

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Solution

The fourth proportional to 150,513.57, 207,711.07 and 82,536.75 is: 113,902.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,513.57 : 207,711.07 = 82,536.75 : x
  2. Step 2: Convert to fraction form
    150,513.57/207,711.07 = 82,536.75/x
  3. Step 3: Cross multiply
    150,513.57x = 207,711.07 × 82,536.75
  4. Step 4: Simplify right side
    150,513.57x = 17,143,796,450.48
  5. Step 5: Solve for x
    x = 17,143,796,450.48/150,513.57
  6. Step 6: Final answer
    x = 113,902.00

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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.