Home / 181,983.71-251,138.51-105,548.11

Finding the Fourth Proportional to 181,983.71, 251,138.51 and 105,548.11

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Solution

The fourth proportional to 181,983.71, 251,138.51 and 105,548.11 is: 145,656.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,983.71 : 251,138.51 = 105,548.11 : x
  2. Step 2: Convert to fraction form
    181,983.71/251,138.51 = 105,548.11/x
  3. Step 3: Cross multiply
    181,983.71x = 251,138.51 × 105,548.11
  4. Step 4: Simplify right side
    181,983.71x = 26,507,195,078.72
  5. Step 5: Solve for x
    x = 26,507,195,078.72/181,983.71
  6. Step 6: Final answer
    x = 145,656.97

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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.