Home / 181,431.81-250,382.32-99,766.26

Finding the Fourth Proportional to 181,431.81, 250,382.32 and 99,766.26

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Solution

The fourth proportional to 181,431.81, 250,382.32 and 99,766.26 is: 137,680.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,431.81 : 250,382.32 = 99,766.26 : x
  2. Step 2: Convert to fraction form
    181,431.81/250,382.32 = 99,766.26/x
  3. Step 3: Cross multiply
    181,431.81x = 250,382.32 × 99,766.26
  4. Step 4: Simplify right side
    181,431.81x = 24,979,707,244.09
  5. Step 5: Solve for x
    x = 24,979,707,244.09/181,431.81
  6. Step 6: Final answer
    x = 137,680.97

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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.