Home / 232,388.94-320,623.63-130,399.41

Finding the Fourth Proportional to 232,388.94, 320,623.63 and 130,399.41

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Solution

The fourth proportional to 232,388.94, 320,623.63 and 130,399.41 is: 179,910.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,388.94 : 320,623.63 = 130,399.41 : x
  2. Step 2: Convert to fraction form
    232,388.94/320,623.63 = 130,399.41/x
  3. Step 3: Cross multiply
    232,388.94x = 320,623.63 × 130,399.41
  4. Step 4: Simplify right side
    232,388.94x = 41,809,132,184.06
  5. Step 5: Solve for x
    x = 41,809,132,184.06/232,388.94
  6. Step 6: Final answer
    x = 179,910.16

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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.