Home / 239,219.92-330,111.66-131,787.10

Finding the Fourth Proportional to 239,219.92, 330,111.66 and 131,787.10

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Solution

The fourth proportional to 239,219.92, 330,111.66 and 131,787.10 is: 181,859.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,219.92 : 330,111.66 = 131,787.10 : x
  2. Step 2: Convert to fraction form
    239,219.92/330,111.66 = 131,787.10/x
  3. Step 3: Cross multiply
    239,219.92x = 330,111.66 × 131,787.10
  4. Step 4: Simplify right side
    239,219.92x = 43,504,458,347.59
  5. Step 5: Solve for x
    x = 43,504,458,347.59/239,219.92
  6. Step 6: Final answer
    x = 181,859.68

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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.