Home / 150,247.34-207,351.32-86,589.24

Finding the Fourth Proportional to 150,247.34, 207,351.32 and 86,589.24

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Solution

The fourth proportional to 150,247.34, 207,351.32 and 86,589.24 is: 119,498.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,247.34 : 207,351.32 = 86,589.24 : x
  2. Step 2: Convert to fraction form
    150,247.34/207,351.32 = 86,589.24/x
  3. Step 3: Cross multiply
    150,247.34x = 207,351.32 × 86,589.24
  4. Step 4: Simplify right side
    150,247.34x = 17,954,393,211.80
  5. Step 5: Solve for x
    x = 17,954,393,211.80/150,247.34
  6. Step 6: Final answer
    x = 119,498.91

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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.