Home / 181,983.22-273,128.19-76,877.62

Finding the Fourth Proportional to 181,983.22, 273,128.19 and 76,877.62

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Solution

The fourth proportional to 181,983.22, 273,128.19 and 76,877.62 is: 115,381.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,983.22 : 273,128.19 = 76,877.62 : x
  2. Step 2: Convert to fraction form
    181,983.22/273,128.19 = 76,877.62/x
  3. Step 3: Cross multiply
    181,983.22x = 273,128.19 × 76,877.62
  4. Step 4: Simplify right side
    181,983.22x = 20,997,445,202.11
  5. Step 5: Solve for x
    x = 20,997,445,202.11/181,983.22
  6. Step 6: Final answer
    x = 115,381.22

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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.