Home / 181,787.05-250,989.30-113,831.29

Finding the Fourth Proportional to 181,787.05, 250,989.30 and 113,831.29

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Solution

The fourth proportional to 181,787.05, 250,989.30 and 113,831.29 is: 157,164.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,787.05 : 250,989.30 = 113,831.29 : x
  2. Step 2: Convert to fraction form
    181,787.05/250,989.30 = 113,831.29/x
  3. Step 3: Cross multiply
    181,787.05x = 250,989.30 × 113,831.29
  4. Step 4: Simplify right side
    181,787.05x = 28,570,435,795.20
  5. Step 5: Solve for x
    x = 28,570,435,795.20/181,787.05
  6. Step 6: Final answer
    x = 157,164.31

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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.