Home / 319,641.15-441,115.09-181,816.52

Finding the Fourth Proportional to 319,641.15, 441,115.09 and 181,816.52

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Solution

The fourth proportional to 319,641.15, 441,115.09 and 181,816.52 is: 250,912.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,641.15 : 441,115.09 = 181,816.52 : x
  2. Step 2: Convert to fraction form
    319,641.15/441,115.09 = 181,816.52/x
  3. Step 3: Cross multiply
    319,641.15x = 441,115.09 × 181,816.52
  4. Step 4: Simplify right side
    319,641.15x = 80,202,008,880.68
  5. Step 5: Solve for x
    x = 80,202,008,880.68/319,641.15
  6. Step 6: Final answer
    x = 250,912.65

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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.