Home / 167,922.02-231,729.07-91,442.02

Finding the Fourth Proportional to 167,922.02, 231,729.07 and 91,442.02

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Solution

The fourth proportional to 167,922.02, 231,729.07 and 91,442.02 is: 126,188.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,922.02 : 231,729.07 = 91,442.02 : x
  2. Step 2: Convert to fraction form
    167,922.02/231,729.07 = 91,442.02/x
  3. Step 3: Cross multiply
    167,922.02x = 231,729.07 × 91,442.02
  4. Step 4: Simplify right side
    167,922.02x = 21,189,774,253.52
  5. Step 5: Solve for x
    x = 21,189,774,253.52/167,922.02
  6. Step 6: Final answer
    x = 126,188.18

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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.