Home / 106,161.36-146,526.24-83,145.36

Finding the Fourth Proportional to 106,161.36, 146,526.24 and 83,145.36

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Solution

The fourth proportional to 106,161.36, 146,526.24 and 83,145.36 is: 114,759.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,161.36 : 146,526.24 = 83,145.36 : x
  2. Step 2: Convert to fraction form
    106,161.36/146,526.24 = 83,145.36/x
  3. Step 3: Cross multiply
    106,161.36x = 146,526.24 × 83,145.36
  4. Step 4: Simplify right side
    106,161.36x = 12,182,976,974.25
  5. Step 5: Solve for x
    x = 12,182,976,974.25/106,161.36
  6. Step 6: Final answer
    x = 114,759.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.