Home / 181,486.11-272,174.52-86,667.39

Finding the Fourth Proportional to 181,486.11, 272,174.52 and 86,667.39

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Solution

The fourth proportional to 181,486.11, 272,174.52 and 86,667.39 is: 129,974.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,486.11 : 272,174.52 = 86,667.39 : x
  2. Step 2: Convert to fraction form
    181,486.11/272,174.52 = 86,667.39/x
  3. Step 3: Cross multiply
    181,486.11x = 272,174.52 × 86,667.39
  4. Step 4: Simplify right side
    181,486.11x = 23,588,655,272.90
  5. Step 5: Solve for x
    x = 23,588,655,272.90/181,486.11
  6. Step 6: Final answer
    x = 129,974.99

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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.