Home / 199,332.14-298,998.21-81,012.71

Finding the Fourth Proportional to 199,332.14, 298,998.21 and 81,012.71

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Solution

The fourth proportional to 199,332.14, 298,998.21 and 81,012.71 is: 121,519.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,332.14 : 298,998.21 = 81,012.71 : x
  2. Step 2: Convert to fraction form
    199,332.14/298,998.21 = 81,012.71/x
  3. Step 3: Cross multiply
    199,332.14x = 298,998.21 × 81,012.71
  4. Step 4: Simplify right side
    199,332.14x = 24,222,653,782.26
  5. Step 5: Solve for x
    x = 24,222,653,782.26/199,332.14
  6. Step 6: Final answer
    x = 121,519.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.