Home / 167,353.61-230,949.47-91,902.65

Finding the Fourth Proportional to 167,353.61, 230,949.47 and 91,902.65

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Solution

The fourth proportional to 167,353.61, 230,949.47 and 91,902.65 is: 126,826.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,353.61 : 230,949.47 = 91,902.65 : x
  2. Step 2: Convert to fraction form
    167,353.61/230,949.47 = 91,902.65/x
  3. Step 3: Cross multiply
    167,353.61x = 230,949.47 × 91,902.65
  4. Step 4: Simplify right side
    167,353.61x = 21,224,867,384.10
  5. Step 5: Solve for x
    x = 21,224,867,384.10/167,353.61
  6. Step 6: Final answer
    x = 126,826.47

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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.