Home / 181,431.55-250,381.96-99,766.02

Finding the Fourth Proportional to 181,431.55, 250,381.96 and 99,766.02

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Solution

The fourth proportional to 181,431.55, 250,381.96 and 99,766.02 is: 137,680.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,431.55 : 250,381.96 = 99,766.02 : x
  2. Step 2: Convert to fraction form
    181,431.55/250,381.96 = 99,766.02/x
  3. Step 3: Cross multiply
    181,431.55x = 250,381.96 × 99,766.02
  4. Step 4: Simplify right side
    181,431.55x = 24,979,611,629.00
  5. Step 5: Solve for x
    x = 24,979,611,629.00/181,431.55
  6. Step 6: Final answer
    x = 137,680.64

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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.