Home / 199,039.86-274,672.26-112,998.11

Finding the Fourth Proportional to 199,039.86, 274,672.26 and 112,998.11

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Solution

The fourth proportional to 199,039.86, 274,672.26 and 112,998.11 is: 155,935.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,039.86 : 274,672.26 = 112,998.11 : x
  2. Step 2: Convert to fraction form
    199,039.86/274,672.26 = 112,998.11/x
  3. Step 3: Cross multiply
    199,039.86x = 274,672.26 × 112,998.11
  4. Step 4: Simplify right side
    199,039.86x = 31,037,444,876.07
  5. Step 5: Solve for x
    x = 31,037,444,876.07/199,039.86
  6. Step 6: Final answer
    x = 155,935.83

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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.