Home / 149,861.12-224,716.16-49,986.56

Finding the Fourth Proportional to 149,861.12, 224,716.16 and 49,986.56

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Solution

The fourth proportional to 149,861.12, 224,716.16 and 49,986.56 is: 74,954.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,861.12 : 224,716.16 = 49,986.56 : x
  2. Step 2: Convert to fraction form
    149,861.12/224,716.16 = 49,986.56/x
  3. Step 3: Cross multiply
    149,861.12x = 224,716.16 × 49,986.56
  4. Step 4: Simplify right side
    149,861.12x = 11,232,787,814.81
  5. Step 5: Solve for x
    x = 11,232,787,814.81/149,861.12
  6. Step 6: Final answer
    x = 74,954.65

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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.