Home / 148,418.70-204,782.14-88,004.20

Finding the Fourth Proportional to 148,418.70, 204,782.14 and 88,004.20

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Solution

The fourth proportional to 148,418.70, 204,782.14 and 88,004.20 is: 121,424.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,418.70 : 204,782.14 = 88,004.20 : x
  2. Step 2: Convert to fraction form
    148,418.70/204,782.14 = 88,004.20/x
  3. Step 3: Cross multiply
    148,418.70x = 204,782.14 × 88,004.20
  4. Step 4: Simplify right side
    148,418.70x = 18,021,687,439.79
  5. Step 5: Solve for x
    x = 18,021,687,439.79/148,418.70
  6. Step 6: Final answer
    x = 121,424.64

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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.