Home / 187,650.32-258,975.91-107,089.96

Finding the Fourth Proportional to 187,650.32, 258,975.91 and 107,089.96

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Solution

The fourth proportional to 187,650.32, 258,975.91 and 107,089.96 is: 147,794.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,650.32 : 258,975.91 = 107,089.96 : x
  2. Step 2: Convert to fraction form
    187,650.32/258,975.91 = 107,089.96/x
  3. Step 3: Cross multiply
    187,650.32x = 258,975.91 × 107,089.96
  4. Step 4: Simplify right side
    187,650.32x = 27,733,719,397.28
  5. Step 5: Solve for x
    x = 27,733,719,397.28/187,650.32
  6. Step 6: Final answer
    x = 147,794.68

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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.