Home / 187,565.11-258,655.56-172,005.64

Finding the Fourth Proportional to 187,565.11, 258,655.56 and 172,005.64

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Solution

The fourth proportional to 187,565.11, 258,655.56 and 172,005.64 is: 237,198.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,565.11 : 258,655.56 = 172,005.64 : x
  2. Step 2: Convert to fraction form
    187,565.11/258,655.56 = 172,005.64/x
  3. Step 3: Cross multiply
    187,565.11x = 258,655.56 × 172,005.64
  4. Step 4: Simplify right side
    187,565.11x = 44,490,213,844.08
  5. Step 5: Solve for x
    x = 44,490,213,844.08/187,565.11
  6. Step 6: Final answer
    x = 237,198.77

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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.