Home / 288,826.20-432,893.70-148,512.60

Finding the Fourth Proportional to 288,826.20, 432,893.70 and 148,512.60

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Solution

The fourth proportional to 288,826.20, 432,893.70 and 148,512.60 is: 222,591.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,826.20 : 432,893.70 = 148,512.60 : x
  2. Step 2: Convert to fraction form
    288,826.20/432,893.70 = 148,512.60/x
  3. Step 3: Cross multiply
    288,826.20x = 432,893.70 × 148,512.60
  4. Step 4: Simplify right side
    288,826.20x = 64,290,168,910.62
  5. Step 5: Solve for x
    x = 64,290,168,910.62/288,826.20
  6. Step 6: Final answer
    x = 222,591.19

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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.