Home / 144,126.74-198,896.49-79,595.87

Finding the Fourth Proportional to 144,126.74, 198,896.49 and 79,595.87

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Solution

The fourth proportional to 144,126.74, 198,896.49 and 79,595.87 is: 109,843.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,126.74 : 198,896.49 = 79,595.87 : x
  2. Step 2: Convert to fraction form
    144,126.74/198,896.49 = 79,595.87/x
  3. Step 3: Cross multiply
    144,126.74x = 198,896.49 × 79,595.87
  4. Step 4: Simplify right side
    144,126.74x = 15,831,338,167.01
  5. Step 5: Solve for x
    x = 15,831,338,167.01/144,126.74
  6. Step 6: Final answer
    x = 109,843.17

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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.