Home / 106,588.20-146,023.61-102,599.72

Finding the Fourth Proportional to 106,588.20, 146,023.61 and 102,599.72

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Solution

The fourth proportional to 106,588.20, 146,023.61 and 102,599.72 is: 140,559.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,588.20 : 146,023.61 = 102,599.72 : x
  2. Step 2: Convert to fraction form
    106,588.20/146,023.61 = 102,599.72/x
  3. Step 3: Cross multiply
    106,588.20x = 146,023.61 × 102,599.72
  4. Step 4: Simplify right side
    106,588.20x = 14,981,981,499.39
  5. Step 5: Solve for x
    x = 14,981,981,499.39/106,588.20
  6. Step 6: Final answer
    x = 140,559.48

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.