Home / 187,632.84-281,447.49-81,092.13

Finding the Fourth Proportional to 187,632.84, 281,447.49 and 81,092.13

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Solution

The fourth proportional to 187,632.84, 281,447.49 and 81,092.13 is: 121,637.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,632.84 : 281,447.49 = 81,092.13 : x
  2. Step 2: Convert to fraction form
    187,632.84/281,447.49 = 81,092.13/x
  3. Step 3: Cross multiply
    187,632.84x = 281,447.49 × 81,092.13
  4. Step 4: Simplify right side
    187,632.84x = 22,823,176,447.25
  5. Step 5: Solve for x
    x = 22,823,176,447.25/187,632.84
  6. Step 6: Final answer
    x = 121,637.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.