Home / 181,881.15-251,154.78-114,015.09

Finding the Fourth Proportional to 181,881.15, 251,154.78 and 114,015.09

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Solution

The fourth proportional to 181,881.15, 251,154.78 and 114,015.09 is: 157,440.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,881.15 : 251,154.78 = 114,015.09 : x
  2. Step 2: Convert to fraction form
    181,881.15/251,154.78 = 114,015.09/x
  3. Step 3: Cross multiply
    181,881.15x = 251,154.78 × 114,015.09
  4. Step 4: Simplify right side
    181,881.15x = 28,635,435,359.90
  5. Step 5: Solve for x
    x = 28,635,435,359.90/181,881.15
  6. Step 6: Final answer
    x = 157,440.37

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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.