Home / 106,330.80-159,496.32-99,835.38

Finding the Fourth Proportional to 106,330.80, 159,496.32 and 99,835.38

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Solution

The fourth proportional to 106,330.80, 159,496.32 and 99,835.38 is: 149,753.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,330.80 : 159,496.32 = 99,835.38 : x
  2. Step 2: Convert to fraction form
    106,330.80/159,496.32 = 99,835.38/x
  3. Step 3: Cross multiply
    106,330.80x = 159,496.32 × 99,835.38
  4. Step 4: Simplify right side
    106,330.80x = 15,923,375,715.80
  5. Step 5: Solve for x
    x = 15,923,375,715.80/106,330.80
  6. Step 6: Final answer
    x = 149,753.18

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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.