Home / 181,968.33-251,112.93-99,183.02

Finding the Fourth Proportional to 181,968.33, 251,112.93 and 99,183.02

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Solution

The fourth proportional to 181,968.33, 251,112.93 and 99,183.02 is: 136,870.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,968.33 : 251,112.93 = 99,183.02 : x
  2. Step 2: Convert to fraction form
    181,968.33/251,112.93 = 99,183.02/x
  3. Step 3: Cross multiply
    181,968.33x = 251,112.93 × 99,183.02
  4. Step 4: Simplify right side
    181,968.33x = 24,906,139,671.10
  5. Step 5: Solve for x
    x = 24,906,139,671.10/181,968.33
  6. Step 6: Final answer
    x = 136,870.74

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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.