Home / 320,876.22-442,855.52-184,884.11

Finding the Fourth Proportional to 320,876.22, 442,855.52 and 184,884.11

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Solution

The fourth proportional to 320,876.22, 442,855.52 and 184,884.11 is: 255,166.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,876.22 : 442,855.52 = 184,884.11 : x
  2. Step 2: Convert to fraction form
    320,876.22/442,855.52 = 184,884.11/x
  3. Step 3: Cross multiply
    320,876.22x = 442,855.52 × 184,884.11
  4. Step 4: Simplify right side
    320,876.22x = 81,876,948,673.79
  5. Step 5: Solve for x
    x = 81,876,948,673.79/320,876.22
  6. Step 6: Final answer
    x = 255,166.77

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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.