Home / 136,747.98-204,724.73-79,647.77

Finding the Fourth Proportional to 136,747.98, 204,724.73 and 79,647.77

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Solution

The fourth proportional to 136,747.98, 204,724.73 and 79,647.77 is: 119,240.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,747.98 : 204,724.73 = 79,647.77 : x
  2. Step 2: Convert to fraction form
    136,747.98/204,724.73 = 79,647.77/x
  3. Step 3: Cross multiply
    136,747.98x = 204,724.73 × 79,647.77
  4. Step 4: Simplify right side
    136,747.98x = 16,305,868,919.28
  5. Step 5: Solve for x
    x = 16,305,868,919.28/136,747.98
  6. Step 6: Final answer
    x = 119,240.29

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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.