Home / 267,767.16-401,370.52-90,212.80

Finding the Fourth Proportional to 267,767.16, 401,370.52 and 90,212.80

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Solution

The fourth proportional to 267,767.16, 401,370.52 and 90,212.80 is: 135,224.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,767.16 : 401,370.52 = 90,212.80 : x
  2. Step 2: Convert to fraction form
    267,767.16/401,370.52 = 90,212.80/x
  3. Step 3: Cross multiply
    267,767.16x = 401,370.52 × 90,212.80
  4. Step 4: Simplify right side
    267,767.16x = 36,208,758,446.66
  5. Step 5: Solve for x
    x = 36,208,758,446.66/267,767.16
  6. Step 6: Final answer
    x = 135,224.79

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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.