Home / 199,081.60-274,722.24-123,628.48

Finding the Fourth Proportional to 199,081.60, 274,722.24 and 123,628.48

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Solution

The fourth proportional to 199,081.60, 274,722.24 and 123,628.48 is: 170,600.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,081.60 : 274,722.24 = 123,628.48 : x
  2. Step 2: Convert to fraction form
    199,081.60/274,722.24 = 123,628.48/x
  3. Step 3: Cross multiply
    199,081.60x = 274,722.24 × 123,628.48
  4. Step 4: Simplify right side
    199,081.60x = 33,963,492,953.40
  5. Step 5: Solve for x
    x = 33,963,492,953.40/199,081.60
  6. Step 6: Final answer
    x = 170,600.86

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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.