Home / 144,974.27-199,609.82-131,688.25

Finding the Fourth Proportional to 144,974.27, 199,609.82 and 131,688.25

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Solution

The fourth proportional to 144,974.27, 199,609.82 and 131,688.25 is: 181,316.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,974.27 : 199,609.82 = 131,688.25 : x
  2. Step 2: Convert to fraction form
    144,974.27/199,609.82 = 131,688.25/x
  3. Step 3: Cross multiply
    144,974.27x = 199,609.82 × 131,688.25
  4. Step 4: Simplify right side
    144,974.27x = 26,286,267,214.98
  5. Step 5: Solve for x
    x = 26,286,267,214.98/144,974.27
  6. Step 6: Final answer
    x = 181,316.77

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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.