Home / 106,328.80-159,493.32-99,833.38

Finding the Fourth Proportional to 106,328.80, 159,493.32 and 99,833.38

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Solution

The fourth proportional to 106,328.80, 159,493.32 and 99,833.38 is: 149,750.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,328.80 : 159,493.32 = 99,833.38 : x
  2. Step 2: Convert to fraction form
    106,328.80/159,493.32 = 99,833.38/x
  3. Step 3: Cross multiply
    106,328.80x = 159,493.32 × 99,833.38
  4. Step 4: Simplify right side
    106,328.80x = 15,922,757,223.02
  5. Step 5: Solve for x
    x = 15,922,757,223.02/106,328.80
  6. Step 6: Final answer
    x = 149,750.18

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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.