Home / 202,631.70-279,666.45-117,797.97

Finding the Fourth Proportional to 202,631.70, 279,666.45 and 117,797.97

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Solution

The fourth proportional to 202,631.70, 279,666.45 and 117,797.97 is: 162,581.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,631.70 : 279,666.45 = 117,797.97 : x
  2. Step 2: Convert to fraction form
    202,631.70/279,666.45 = 117,797.97/x
  3. Step 3: Cross multiply
    202,631.70x = 279,666.45 × 117,797.97
  4. Step 4: Simplify right side
    202,631.70x = 32,944,140,087.11
  5. Step 5: Solve for x
    x = 32,944,140,087.11/202,631.70
  6. Step 6: Final answer
    x = 162,581.37

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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.