Home / 150,628.34-207,869.19-82,644.05

Finding the Fourth Proportional to 150,628.34, 207,869.19 and 82,644.05

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Solution

The fourth proportional to 150,628.34, 207,869.19 and 82,644.05 is: 114,049.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,628.34 : 207,869.19 = 82,644.05 : x
  2. Step 2: Convert to fraction form
    150,628.34/207,869.19 = 82,644.05/x
  3. Step 3: Cross multiply
    150,628.34x = 207,869.19 × 82,644.05
  4. Step 4: Simplify right side
    150,628.34x = 17,179,151,731.82
  5. Step 5: Solve for x
    x = 17,179,151,731.82/150,628.34
  6. Step 6: Final answer
    x = 114,049.93

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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.