Home / 104,908.14-157,211.82-83,911.68

Finding the Fourth Proportional to 104,908.14, 157,211.82 and 83,911.68

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Solution

The fourth proportional to 104,908.14, 157,211.82 and 83,911.68 is: 125,747.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,908.14 : 157,211.82 = 83,911.68 : x
  2. Step 2: Convert to fraction form
    104,908.14/157,211.82 = 83,911.68/x
  3. Step 3: Cross multiply
    104,908.14x = 157,211.82 × 83,911.68
  4. Step 4: Simplify right side
    104,908.14x = 13,191,907,932.06
  5. Step 5: Solve for x
    x = 13,191,907,932.06/104,908.14
  6. Step 6: Final answer
    x = 125,747.23

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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.