Home / 167,699.28-231,420.16-92,247.78

Finding the Fourth Proportional to 167,699.28, 231,420.16 and 92,247.78

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Solution

The fourth proportional to 167,699.28, 231,420.16 and 92,247.78 is: 127,299.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,699.28 : 231,420.16 = 92,247.78 : x
  2. Step 2: Convert to fraction form
    167,699.28/231,420.16 = 92,247.78/x
  3. Step 3: Cross multiply
    167,699.28x = 231,420.16 × 92,247.78
  4. Step 4: Simplify right side
    167,699.28x = 21,347,996,007.24
  5. Step 5: Solve for x
    x = 21,347,996,007.24/167,699.28
  6. Step 6: Final answer
    x = 127,299.27

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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.