Home / 223,406.82-335,004.94-81,151.81

Finding the Fourth Proportional to 223,406.82, 335,004.94 and 81,151.81

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Solution

The fourth proportional to 223,406.82, 335,004.94 and 81,151.81 is: 121,689.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,406.82 : 335,004.94 = 81,151.81 : x
  2. Step 2: Convert to fraction form
    223,406.82/335,004.94 = 81,151.81/x
  3. Step 3: Cross multiply
    223,406.82x = 335,004.94 × 81,151.81
  4. Step 4: Simplify right side
    223,406.82x = 27,186,257,239.94
  5. Step 5: Solve for x
    x = 27,186,257,239.94/223,406.82
  6. Step 6: Final answer
    x = 121,689.47

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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.