Home / 422,014.14-633,018.46-106,471.35

Finding the Fourth Proportional to 422,014.14, 633,018.46 and 106,471.35

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Solution

The fourth proportional to 422,014.14, 633,018.46 and 106,471.35 is: 159,706.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,014.14 : 633,018.46 = 106,471.35 : x
  2. Step 2: Convert to fraction form
    422,014.14/633,018.46 = 106,471.35/x
  3. Step 3: Cross multiply
    422,014.14x = 633,018.46 × 106,471.35
  4. Step 4: Simplify right side
    422,014.14x = 67,398,330,011.12
  5. Step 5: Solve for x
    x = 67,398,330,011.12/422,014.14
  6. Step 6: Final answer
    x = 159,706.33

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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.