Home / 187,564.61-258,654.87-172,005.14

Finding the Fourth Proportional to 187,564.61, 258,654.87 and 172,005.14

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Solution

The fourth proportional to 187,564.61, 258,654.87 and 172,005.14 is: 237,198.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,564.61 : 258,654.87 = 172,005.14 : x
  2. Step 2: Convert to fraction form
    187,564.61/258,654.87 = 172,005.14/x
  3. Step 3: Cross multiply
    187,564.61x = 258,654.87 × 172,005.14
  4. Step 4: Simplify right side
    187,564.61x = 44,489,965,832.76
  5. Step 5: Solve for x
    x = 44,489,965,832.76/187,564.61
  6. Step 6: Final answer
    x = 237,198.08

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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.