Home / 150,517.26-207,711.95-86,853.69

Finding the Fourth Proportional to 150,517.26, 207,711.95 and 86,853.69

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Solution

The fourth proportional to 150,517.26, 207,711.95 and 86,853.69 is: 119,857.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,517.26 : 207,711.95 = 86,853.69 : x
  2. Step 2: Convert to fraction form
    150,517.26/207,711.95 = 86,853.69/x
  3. Step 3: Cross multiply
    150,517.26x = 207,711.95 × 86,853.69
  4. Step 4: Simplify right side
    150,517.26x = 18,040,548,880.33
  5. Step 5: Solve for x
    x = 18,040,548,880.33/150,517.26
  6. Step 6: Final answer
    x = 119,857.01

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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.