Home / 115,976.27-160,044.54-68,232.69

Finding the Fourth Proportional to 115,976.27, 160,044.54 and 68,232.69

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Solution

The fourth proportional to 115,976.27, 160,044.54 and 68,232.69 is: 94,159.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,976.27 : 160,044.54 = 68,232.69 : x
  2. Step 2: Convert to fraction form
    115,976.27/160,044.54 = 68,232.69/x
  3. Step 3: Cross multiply
    115,976.27x = 160,044.54 × 68,232.69
  4. Step 4: Simplify right side
    115,976.27x = 10,920,269,484.01
  5. Step 5: Solve for x
    x = 10,920,269,484.01/115,976.27
  6. Step 6: Final answer
    x = 94,159.52

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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.