Home / 320,795.64-442,659.12-184,874.16

Finding the Fourth Proportional to 320,795.64, 442,659.12 and 184,874.16

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Solution

The fourth proportional to 320,795.64, 442,659.12 and 184,874.16 is: 255,103.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,795.64 : 442,659.12 = 184,874.16 : x
  2. Step 2: Convert to fraction form
    320,795.64/442,659.12 = 184,874.16/x
  3. Step 3: Cross multiply
    320,795.64x = 442,659.12 × 184,874.16
  4. Step 4: Simplify right side
    320,795.64x = 81,836,232,976.34
  5. Step 5: Solve for x
    x = 81,836,232,976.34/320,795.64
  6. Step 6: Final answer
    x = 255,103.94

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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.