Home / 106,383.43-159,575.28-99,888.04

Finding the Fourth Proportional to 106,383.43, 159,575.28 and 99,888.04

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Solution

The fourth proportional to 106,383.43, 159,575.28 and 99,888.04 is: 149,832.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,383.43 : 159,575.28 = 99,888.04 : x
  2. Step 2: Convert to fraction form
    106,383.43/159,575.28 = 99,888.04/x
  3. Step 3: Cross multiply
    106,383.43x = 159,575.28 × 99,888.04
  4. Step 4: Simplify right side
    106,383.43x = 15,939,661,951.65
  5. Step 5: Solve for x
    x = 15,939,661,951.65/106,383.43
  6. Step 6: Final answer
    x = 149,832.19

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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.