Home / 202,660.14-279,705.78-117,826.50

Finding the Fourth Proportional to 202,660.14, 279,705.78 and 117,826.50

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Solution

The fourth proportional to 202,660.14, 279,705.78 and 117,826.50 is: 162,620.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,660.14 : 279,705.78 = 117,826.50 : x
  2. Step 2: Convert to fraction form
    202,660.14/279,705.78 = 117,826.50/x
  3. Step 3: Cross multiply
    202,660.14x = 279,705.78 × 117,826.50
  4. Step 4: Simplify right side
    202,660.14x = 32,956,753,087.17
  5. Step 5: Solve for x
    x = 32,956,753,087.17/202,660.14
  6. Step 6: Final answer
    x = 162,620.80

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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.