Home / 169,461.78-233,849.32-92,979.15

Finding the Fourth Proportional to 169,461.78, 233,849.32 and 92,979.15

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Solution

The fourth proportional to 169,461.78, 233,849.32 and 92,979.15 is: 128,306.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,461.78 : 233,849.32 = 92,979.15 : x
  2. Step 2: Convert to fraction form
    169,461.78/233,849.32 = 92,979.15/x
  3. Step 3: Cross multiply
    169,461.78x = 233,849.32 × 92,979.15
  4. Step 4: Simplify right side
    169,461.78x = 21,743,111,001.68
  5. Step 5: Solve for x
    x = 21,743,111,001.68/169,461.78
  6. Step 6: Final answer
    x = 128,306.87

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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.