Home / 187,564.11-258,654.18-172,004.63

Finding the Fourth Proportional to 187,564.11, 258,654.18 and 172,004.63

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Solution

The fourth proportional to 187,564.11, 258,654.18 and 172,004.63 is: 237,197.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,564.11 : 258,654.18 = 172,004.63 : x
  2. Step 2: Convert to fraction form
    187,564.11/258,654.18 = 172,004.63/x
  3. Step 3: Cross multiply
    187,564.11x = 258,654.18 × 172,004.63
  4. Step 4: Simplify right side
    187,564.11x = 44,489,717,175.49
  5. Step 5: Solve for x
    x = 44,489,717,175.49/187,564.11
  6. Step 6: Final answer
    x = 237,197.39

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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.