Home / 198,136.77-273,364.11-112,087.44

Finding the Fourth Proportional to 198,136.77, 273,364.11 and 112,087.44

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Solution

The fourth proportional to 198,136.77, 273,364.11 and 112,087.44 is: 154,644.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,136.77 : 273,364.11 = 112,087.44 : x
  2. Step 2: Convert to fraction form
    198,136.77/273,364.11 = 112,087.44/x
  3. Step 3: Cross multiply
    198,136.77x = 273,364.11 × 112,087.44
  4. Step 4: Simplify right side
    198,136.77x = 30,640,683,277.78
  5. Step 5: Solve for x
    x = 30,640,683,277.78/198,136.77
  6. Step 6: Final answer
    x = 154,644.10

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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.