Home / 165,036.78-247,553.20-52,715.52

Finding the Fourth Proportional to 165,036.78, 247,553.20 and 52,715.52

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Solution

The fourth proportional to 165,036.78, 247,553.20 and 52,715.52 is: 79,072.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,036.78 : 247,553.20 = 52,715.52 : x
  2. Step 2: Convert to fraction form
    165,036.78/247,553.20 = 52,715.52/x
  3. Step 3: Cross multiply
    165,036.78x = 247,553.20 × 52,715.52
  4. Step 4: Simplify right side
    165,036.78x = 13,049,895,665.66
  5. Step 5: Solve for x
    x = 13,049,895,665.66/165,036.78
  6. Step 6: Final answer
    x = 79,072.65

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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.