Home / 115,954.32-160,048.46-68,223.04

Finding the Fourth Proportional to 115,954.32, 160,048.46 and 68,223.04

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Solution

The fourth proportional to 115,954.32, 160,048.46 and 68,223.04 is: 94,166.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,954.32 : 160,048.46 = 68,223.04 : x
  2. Step 2: Convert to fraction form
    115,954.32/160,048.46 = 68,223.04/x
  3. Step 3: Cross multiply
    115,954.32x = 160,048.46 × 68,223.04
  4. Step 4: Simplify right side
    115,954.32x = 10,918,992,488.52
  5. Step 5: Solve for x
    x = 10,918,992,488.52/115,954.32
  6. Step 6: Final answer
    x = 94,166.33

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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.