Home / 203,174.04-304,876.26-109,677.72

Finding the Fourth Proportional to 203,174.04, 304,876.26 and 109,677.72

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Solution

The fourth proportional to 203,174.04, 304,876.26 and 109,677.72 is: 164,578.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,174.04 : 304,876.26 = 109,677.72 : x
  2. Step 2: Convert to fraction form
    203,174.04/304,876.26 = 109,677.72/x
  3. Step 3: Cross multiply
    203,174.04x = 304,876.26 × 109,677.72
  4. Step 4: Simplify right side
    203,174.04x = 33,438,133,078.93
  5. Step 5: Solve for x
    x = 33,438,133,078.93/203,174.04
  6. Step 6: Final answer
    x = 164,578.77

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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.