Home / 187,868.20-281,137.11-116,824.30

Finding the Fourth Proportional to 187,868.20, 281,137.11 and 116,824.30

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Solution

The fourth proportional to 187,868.20, 281,137.11 and 116,824.30 is: 174,822.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,868.20 : 281,137.11 = 116,824.30 : x
  2. Step 2: Convert to fraction form
    187,868.20/281,137.11 = 116,824.30/x
  3. Step 3: Cross multiply
    187,868.20x = 281,137.11 × 116,824.30
  4. Step 4: Simplify right side
    187,868.20x = 32,843,646,079.77
  5. Step 5: Solve for x
    x = 32,843,646,079.77/187,868.20
  6. Step 6: Final answer
    x = 174,822.81

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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.