Home / 115,967.27-160,032.12-68,223.69

Finding the Fourth Proportional to 115,967.27, 160,032.12 and 68,223.69

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Solution

The fourth proportional to 115,967.27, 160,032.12 and 68,223.69 is: 94,147.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,967.27 : 160,032.12 = 68,223.69 : x
  2. Step 2: Convert to fraction form
    115,967.27/160,032.12 = 68,223.69/x
  3. Step 3: Cross multiply
    115,967.27x = 160,032.12 × 68,223.69
  4. Step 4: Simplify right side
    115,967.27x = 10,917,981,744.92
  5. Step 5: Solve for x
    x = 10,917,981,744.92/115,967.27
  6. Step 6: Final answer
    x = 94,147.10

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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.