Home / 98,948.88-148,177.12-69,227.56

Finding the Fourth Proportional to 98,948.88, 148,177.12 and 69,227.56

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Solution

The fourth proportional to 98,948.88, 148,177.12 and 69,227.56 is: 103,669.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,948.88 : 148,177.12 = 69,227.56 : x
  2. Step 2: Convert to fraction form
    98,948.88/148,177.12 = 69,227.56/x
  3. Step 3: Cross multiply
    98,948.88x = 148,177.12 × 69,227.56
  4. Step 4: Simplify right side
    98,948.88x = 10,257,940,465.43
  5. Step 5: Solve for x
    x = 10,257,940,465.43/98,948.88
  6. Step 6: Final answer
    x = 103,669.09

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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.