Home / 187,818.19-281,818.41-82,623.49

Finding the Fourth Proportional to 187,818.19, 281,818.41 and 82,623.49

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Solution

The fourth proportional to 187,818.19, 281,818.41 and 82,623.49 is: 123,975.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,818.19 : 281,818.41 = 82,623.49 : x
  2. Step 2: Convert to fraction form
    187,818.19/281,818.41 = 82,623.49/x
  3. Step 3: Cross multiply
    187,818.19x = 281,818.41 × 82,623.49
  4. Step 4: Simplify right side
    187,818.19x = 23,284,820,580.45
  5. Step 5: Solve for x
    x = 23,284,820,580.45/187,818.19
  6. Step 6: Final answer
    x = 123,975.32

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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.