Home / 106,181.07-159,084.77-99,859.83

Finding the Fourth Proportional to 106,181.07, 159,084.77 and 99,859.83

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Solution

The fourth proportional to 106,181.07, 159,084.77 and 99,859.83 is: 149,614.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,181.07 : 159,084.77 = 99,859.83 : x
  2. Step 2: Convert to fraction form
    106,181.07/159,084.77 = 99,859.83/x
  3. Step 3: Cross multiply
    106,181.07x = 159,084.77 × 99,859.83
  4. Step 4: Simplify right side
    106,181.07x = 15,886,176,793.07
  5. Step 5: Solve for x
    x = 15,886,176,793.07/106,181.07
  6. Step 6: Final answer
    x = 149,614.03

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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.