Home / 320,788.70-442,799.07-184,876.91

Finding the Fourth Proportional to 320,788.70, 442,799.07 and 184,876.91

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Solution

The fourth proportional to 320,788.70, 442,799.07 and 184,876.91 is: 255,193.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,788.70 : 442,799.07 = 184,876.91 : x
  2. Step 2: Convert to fraction form
    320,788.70/442,799.07 = 184,876.91/x
  3. Step 3: Cross multiply
    320,788.70x = 442,799.07 × 184,876.91
  4. Step 4: Simplify right side
    320,788.70x = 81,863,320,674.09
  5. Step 5: Solve for x
    x = 81,863,320,674.09/320,788.70
  6. Step 6: Final answer
    x = 255,193.90

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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.