Home / 169,122.33-233,386.18-92,640.78

Finding the Fourth Proportional to 169,122.33, 233,386.18 and 92,640.78

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Solution

The fourth proportional to 169,122.33, 233,386.18 and 92,640.78 is: 127,842.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,122.33 : 233,386.18 = 92,640.78 : x
  2. Step 2: Convert to fraction form
    169,122.33/233,386.18 = 92,640.78/x
  3. Step 3: Cross multiply
    169,122.33x = 233,386.18 × 92,640.78
  4. Step 4: Simplify right side
    169,122.33x = 21,621,077,524.82
  5. Step 5: Solve for x
    x = 21,621,077,524.82/169,122.33
  6. Step 6: Final answer
    x = 127,842.83

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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.