Home / 181,206.96-271,917.36-68,981.64

Finding the Fourth Proportional to 181,206.96, 271,917.36 and 68,981.64

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Solution

The fourth proportional to 181,206.96, 271,917.36 and 68,981.64 is: 103,513.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,206.96 : 271,917.36 = 68,981.64 : x
  2. Step 2: Convert to fraction form
    181,206.96/271,917.36 = 68,981.64/x
  3. Step 3: Cross multiply
    181,206.96x = 271,917.36 × 68,981.64
  4. Step 4: Simplify right side
    181,206.96x = 18,757,305,437.27
  5. Step 5: Solve for x
    x = 18,757,305,437.27/181,206.96
  6. Step 6: Final answer
    x = 103,513.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.