Home / 204,947.79-307,009.97-102,055.14

Finding the Fourth Proportional to 204,947.79, 307,009.97 and 102,055.14

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Solution

The fourth proportional to 204,947.79, 307,009.97 and 102,055.14 is: 152,877.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,947.79 : 307,009.97 = 102,055.14 : x
  2. Step 2: Convert to fraction form
    204,947.79/307,009.97 = 102,055.14/x
  3. Step 3: Cross multiply
    204,947.79x = 307,009.97 × 102,055.14
  4. Step 4: Simplify right side
    204,947.79x = 31,331,944,764.95
  5. Step 5: Solve for x
    x = 31,331,944,764.95/204,947.79
  6. Step 6: Final answer
    x = 152,877.69

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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.