Home / 270,738.75-372,784.95-240,471.48

Finding the Fourth Proportional to 270,738.75, 372,784.95 and 240,471.48

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Solution

The fourth proportional to 270,738.75, 372,784.95 and 240,471.48 is: 331,109.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,738.75 : 372,784.95 = 240,471.48 : x
  2. Step 2: Convert to fraction form
    270,738.75/372,784.95 = 240,471.48/x
  3. Step 3: Cross multiply
    270,738.75x = 372,784.95 × 240,471.48
  4. Step 4: Simplify right side
    270,738.75x = 89,644,148,648.23
  5. Step 5: Solve for x
    x = 89,644,148,648.23/270,738.75
  6. Step 6: Final answer
    x = 331,109.41

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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.