Home / 399,150.70-598,821.72-132,913.60

Finding the Fourth Proportional to 399,150.70, 598,821.72 and 132,913.60

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Solution

The fourth proportional to 399,150.70, 598,821.72 and 132,913.60 is: 199,402.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,150.70 : 598,821.72 = 132,913.60 : x
  2. Step 2: Convert to fraction form
    399,150.70/598,821.72 = 132,913.60/x
  3. Step 3: Cross multiply
    399,150.70x = 598,821.72 × 132,913.60
  4. Step 4: Simplify right side
    399,150.70x = 79,591,550,563.39
  5. Step 5: Solve for x
    x = 79,591,550,563.39/399,150.70
  6. Step 6: Final answer
    x = 199,402.26

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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.