Home / 150,621.50-207,857.67-83,566.46

Finding the Fourth Proportional to 150,621.50, 207,857.67 and 83,566.46

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Solution

The fourth proportional to 150,621.50, 207,857.67 and 83,566.46 is: 115,321.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,621.50 : 207,857.67 = 83,566.46 : x
  2. Step 2: Convert to fraction form
    150,621.50/207,857.67 = 83,566.46/x
  3. Step 3: Cross multiply
    150,621.50x = 207,857.67 × 83,566.46
  4. Step 4: Simplify right side
    150,621.50x = 17,369,929,665.75
  5. Step 5: Solve for x
    x = 17,369,929,665.75/150,621.50
  6. Step 6: Final answer
    x = 115,321.71

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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.