Home / 270,255.12-405,392.32-92,760.90

Finding the Fourth Proportional to 270,255.12, 405,392.32 and 92,760.90

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Solution

The fourth proportional to 270,255.12, 405,392.32 and 92,760.90 is: 139,144.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,255.12 : 405,392.32 = 92,760.90 : x
  2. Step 2: Convert to fraction form
    270,255.12/405,392.32 = 92,760.90/x
  3. Step 3: Cross multiply
    270,255.12x = 405,392.32 × 92,760.90
  4. Step 4: Simplify right side
    270,255.12x = 37,604,556,456.29
  5. Step 5: Solve for x
    x = 37,604,556,456.29/270,255.12
  6. Step 6: Final answer
    x = 139,144.66

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1.5x scale

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.