Home / 150,427.68-207,684.56-96,805.86

Finding the Fourth Proportional to 150,427.68, 207,684.56 and 96,805.86

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Solution

The fourth proportional to 150,427.68, 207,684.56 and 96,805.86 is: 133,652.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,427.68 : 207,684.56 = 96,805.86 : x
  2. Step 2: Convert to fraction form
    150,427.68/207,684.56 = 96,805.86/x
  3. Step 3: Cross multiply
    150,427.68x = 207,684.56 × 96,805.86
  4. Step 4: Simplify right side
    150,427.68x = 20,105,082,439.52
  5. Step 5: Solve for x
    x = 20,105,082,439.52/150,427.68
  6. Step 6: Final answer
    x = 133,652.81

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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.