Home / 232,390.45-320,625.72-130,400.92

Finding the Fourth Proportional to 232,390.45, 320,625.72 and 130,400.92

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Solution

The fourth proportional to 232,390.45, 320,625.72 and 130,400.92 is: 179,912.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,390.45 : 320,625.72 = 130,400.92 : x
  2. Step 2: Convert to fraction form
    232,390.45/320,625.72 = 130,400.92/x
  3. Step 3: Cross multiply
    232,390.45x = 320,625.72 × 130,400.92
  4. Step 4: Simplify right side
    232,390.45x = 41,809,888,863.66
  5. Step 5: Solve for x
    x = 41,809,888,863.66/232,390.45
  6. Step 6: Final answer
    x = 179,912.25

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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.