Home / 199,006.72-274,621.98-108,360.43

Finding the Fourth Proportional to 199,006.72, 274,621.98 and 108,360.43

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Solution

The fourth proportional to 199,006.72, 274,621.98 and 108,360.43 is: 149,533.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,006.72 : 274,621.98 = 108,360.43 : x
  2. Step 2: Convert to fraction form
    199,006.72/274,621.98 = 108,360.43/x
  3. Step 3: Cross multiply
    199,006.72x = 274,621.98 × 108,360.43
  4. Step 4: Simplify right side
    199,006.72x = 29,758,153,925.34
  5. Step 5: Solve for x
    x = 29,758,153,925.34/199,006.72
  6. Step 6: Final answer
    x = 149,533.42

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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.