Home / 188,113.46-259,599.76-103,238.42

Finding the Fourth Proportional to 188,113.46, 259,599.76 and 103,238.42

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Solution

The fourth proportional to 188,113.46, 259,599.76 and 103,238.42 is: 142,470.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,113.46 : 259,599.76 = 103,238.42 : x
  2. Step 2: Convert to fraction form
    188,113.46/259,599.76 = 103,238.42/x
  3. Step 3: Cross multiply
    188,113.46x = 259,599.76 × 103,238.42
  4. Step 4: Simplify right side
    188,113.46x = 26,800,669,054.78
  5. Step 5: Solve for x
    x = 26,800,669,054.78/188,113.46
  6. Step 6: Final answer
    x = 142,470.77

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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.