Home / 188,215.20-259,737.45-103,337.73

Finding the Fourth Proportional to 188,215.20, 259,737.45 and 103,337.73

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Solution

The fourth proportional to 188,215.20, 259,737.45 and 103,337.73 is: 142,606.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,215.20 : 259,737.45 = 103,337.73 : x
  2. Step 2: Convert to fraction form
    188,215.20/259,737.45 = 103,337.73/x
  3. Step 3: Cross multiply
    188,215.20x = 259,737.45 × 103,337.73
  4. Step 4: Simplify right side
    188,215.20x = 26,840,678,478.99
  5. Step 5: Solve for x
    x = 26,840,678,478.99/188,215.20
  6. Step 6: Final answer
    x = 142,606.33

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1.5x scale

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.