Home / 136,136.10-203,912.55-88,896.90

Finding the Fourth Proportional to 136,136.10, 203,912.55 and 88,896.90

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Solution

The fourth proportional to 136,136.10, 203,912.55 and 88,896.90 is: 133,154.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,136.10 : 203,912.55 = 88,896.90 : x
  2. Step 2: Convert to fraction form
    136,136.10/203,912.55 = 88,896.90/x
  3. Step 3: Cross multiply
    136,136.10x = 203,912.55 × 88,896.90
  4. Step 4: Simplify right side
    136,136.10x = 18,127,193,566.10
  5. Step 5: Solve for x
    x = 18,127,193,566.10/136,136.10
  6. Step 6: Final answer
    x = 133,154.94

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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.