Home / 232,571.20-320,983.21-141,979.79

Finding the Fourth Proportional to 232,571.20, 320,983.21 and 141,979.79

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Solution

The fourth proportional to 232,571.20, 320,983.21 and 141,979.79 is: 195,953.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,571.20 : 320,983.21 = 141,979.79 : x
  2. Step 2: Convert to fraction form
    232,571.20/320,983.21 = 141,979.79/x
  3. Step 3: Cross multiply
    232,571.20x = 320,983.21 × 141,979.79
  4. Step 4: Simplify right side
    232,571.20x = 45,573,128,749.33
  5. Step 5: Solve for x
    x = 45,573,128,749.33/232,571.20
  6. Step 6: Final answer
    x = 195,953.45

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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.