Home / 441,647.82-662,458.23-126,105.30

Finding the Fourth Proportional to 441,647.82, 662,458.23 and 126,105.30

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Solution

The fourth proportional to 441,647.82, 662,458.23 and 126,105.30 is: 189,154.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,647.82 : 662,458.23 = 126,105.30 : x
  2. Step 2: Convert to fraction form
    441,647.82/662,458.23 = 126,105.30/x
  3. Step 3: Cross multiply
    441,647.82x = 662,458.23 × 126,105.30
  4. Step 4: Simplify right side
    441,647.82x = 83,539,493,831.62
  5. Step 5: Solve for x
    x = 83,539,493,831.62/441,647.82
  6. Step 6: Final answer
    x = 189,154.10

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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.