Home / 193,195.24-289,736.70-74,840.20

Finding the Fourth Proportional to 193,195.24, 289,736.70 and 74,840.20

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Solution

The fourth proportional to 193,195.24, 289,736.70 and 74,840.20 is: 112,238.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,195.24 : 289,736.70 = 74,840.20 : x
  2. Step 2: Convert to fraction form
    193,195.24/289,736.70 = 74,840.20/x
  3. Step 3: Cross multiply
    193,195.24x = 289,736.70 × 74,840.20
  4. Step 4: Simplify right side
    193,195.24x = 21,683,952,575.34
  5. Step 5: Solve for x
    x = 21,683,952,575.34/193,195.24
  6. Step 6: Final answer
    x = 112,238.54

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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.