Home / 199,129.05-274,767.21-114,229.71

Finding the Fourth Proportional to 199,129.05, 274,767.21 and 114,229.71

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Solution

The fourth proportional to 199,129.05, 274,767.21 and 114,229.71 is: 157,619.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,129.05 : 274,767.21 = 114,229.71 : x
  2. Step 2: Convert to fraction form
    199,129.05/274,767.21 = 114,229.71/x
  3. Step 3: Cross multiply
    199,129.05x = 274,767.21 × 114,229.71
  4. Step 4: Simplify right side
    199,129.05x = 31,386,578,715.81
  5. Step 5: Solve for x
    x = 31,386,578,715.81/199,129.05
  6. Step 6: Final answer
    x = 157,619.29

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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.