Home / 188,195.52-282,178.74-79,997.40

Finding the Fourth Proportional to 188,195.52, 282,178.74 and 79,997.40

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Solution

The fourth proportional to 188,195.52, 282,178.74 and 79,997.40 is: 119,947.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,195.52 : 282,178.74 = 79,997.40 : x
  2. Step 2: Convert to fraction form
    188,195.52/282,178.74 = 79,997.40/x
  3. Step 3: Cross multiply
    188,195.52x = 282,178.74 × 79,997.40
  4. Step 4: Simplify right side
    188,195.52x = 22,573,565,535.28
  5. Step 5: Solve for x
    x = 22,573,565,535.28/188,195.52
  6. Step 6: Final answer
    x = 119,947.41

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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.