Home / 138,150.48-207,004.23-124,864.50

Finding the Fourth Proportional to 138,150.48, 207,004.23 and 124,864.50

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Solution

The fourth proportional to 138,150.48, 207,004.23 and 124,864.50 is: 187,096.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,150.48 : 207,004.23 = 124,864.50 : x
  2. Step 2: Convert to fraction form
    138,150.48/207,004.23 = 124,864.50/x
  3. Step 3: Cross multiply
    138,150.48x = 207,004.23 × 124,864.50
  4. Step 4: Simplify right side
    138,150.48x = 25,847,479,676.84
  5. Step 5: Solve for x
    x = 25,847,479,676.84/138,150.48
  6. Step 6: Final answer
    x = 187,096.56

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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.