Home / 226,667.43-312,781.77-131,180.04

Finding the Fourth Proportional to 226,667.43, 312,781.77 and 131,180.04

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Solution

The fourth proportional to 226,667.43, 312,781.77 and 131,180.04 is: 181,017.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,667.43 : 312,781.77 = 131,180.04 : x
  2. Step 2: Convert to fraction form
    226,667.43/312,781.77 = 131,180.04/x
  3. Step 3: Cross multiply
    226,667.43x = 312,781.77 × 131,180.04
  4. Step 4: Simplify right side
    226,667.43x = 41,030,725,099.87
  5. Step 5: Solve for x
    x = 41,030,725,099.87/226,667.43
  6. Step 6: Final answer
    x = 181,017.30

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1.5x scale

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.