Home / 106,203.44-159,332.49-31,320.56

Finding the Fourth Proportional to 106,203.44, 159,332.49 and 31,320.56

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Solution

The fourth proportional to 106,203.44, 159,332.49 and 31,320.56 is: 46,988.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,203.44 : 159,332.49 = 31,320.56 : x
  2. Step 2: Convert to fraction form
    106,203.44/159,332.49 = 31,320.56/x
  3. Step 3: Cross multiply
    106,203.44x = 159,332.49 × 31,320.56
  4. Step 4: Simplify right side
    106,203.44x = 4,990,382,016.33
  5. Step 5: Solve for x
    x = 4,990,382,016.33/106,203.44
  6. Step 6: Final answer
    x = 46,988.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.