Home / 189,136.56-261,000.60-103,093.65

Finding the Fourth Proportional to 189,136.56, 261,000.60 and 103,093.65

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Solution

The fourth proportional to 189,136.56, 261,000.60 and 103,093.65 is: 142,264.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,136.56 : 261,000.60 = 103,093.65 : x
  2. Step 2: Convert to fraction form
    189,136.56/261,000.60 = 103,093.65/x
  3. Step 3: Cross multiply
    189,136.56x = 261,000.60 × 103,093.65
  4. Step 4: Simplify right side
    189,136.56x = 26,907,503,140.84
  5. Step 5: Solve for x
    x = 26,907,503,140.84/189,136.56
  6. Step 6: Final answer
    x = 142,264.95

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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.