Home / 149,898.30-224,736.23-90,719.90

Finding the Fourth Proportional to 149,898.30, 224,736.23 and 90,719.90

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Solution

The fourth proportional to 149,898.30, 224,736.23 and 90,719.90 is: 136,012.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,898.30 : 224,736.23 = 90,719.90 : x
  2. Step 2: Convert to fraction form
    149,898.30/224,736.23 = 90,719.90/x
  3. Step 3: Cross multiply
    149,898.30x = 224,736.23 × 90,719.90
  4. Step 4: Simplify right side
    149,898.30x = 20,388,048,311.98
  5. Step 5: Solve for x
    x = 20,388,048,311.98/149,898.30
  6. Step 6: Final answer
    x = 136,012.54

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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.