Home / 167,422.66-231,045.18-90,942.46

Finding the Fourth Proportional to 167,422.66, 231,045.18 and 90,942.46

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Solution

The fourth proportional to 167,422.66, 231,045.18 and 90,942.46 is: 125,501.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,422.66 : 231,045.18 = 90,942.46 : x
  2. Step 2: Convert to fraction form
    167,422.66/231,045.18 = 90,942.46/x
  3. Step 3: Cross multiply
    167,422.66x = 231,045.18 × 90,942.46
  4. Step 4: Simplify right side
    167,422.66x = 21,011,817,040.34
  5. Step 5: Solve for x
    x = 21,011,817,040.34/167,422.66
  6. Step 6: Final answer
    x = 125,501.63

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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.