Home / 187,071.91-258,164.90-102,194.44

Finding the Fourth Proportional to 187,071.91, 258,164.90 and 102,194.44

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Solution

The fourth proportional to 187,071.91, 258,164.90 and 102,194.44 is: 141,031.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,071.91 : 258,164.90 = 102,194.44 : x
  2. Step 2: Convert to fraction form
    187,071.91/258,164.90 = 102,194.44/x
  3. Step 3: Cross multiply
    187,071.91x = 258,164.90 × 102,194.44
  4. Step 4: Simplify right side
    187,071.91x = 26,383,017,383.16
  5. Step 5: Solve for x
    x = 26,383,017,383.16/187,071.91
  6. Step 6: Final answer
    x = 141,031.42

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1.5x scale

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.