Home / 347,922.20-522,077.70-148,208.60

Finding the Fourth Proportional to 347,922.20, 522,077.70 and 148,208.60

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Solution

The fourth proportional to 347,922.20, 522,077.70 and 148,208.60 is: 222,395.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,922.20 : 522,077.70 = 148,208.60 : x
  2. Step 2: Convert to fraction form
    347,922.20/522,077.70 = 148,208.60/x
  3. Step 3: Cross multiply
    347,922.20x = 522,077.70 × 148,208.60
  4. Step 4: Simplify right side
    347,922.20x = 77,376,405,008.22
  5. Step 5: Solve for x
    x = 77,376,405,008.22/347,922.20
  6. Step 6: Final answer
    x = 222,395.71

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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.