Home / 240,943.20-361,155.60-91,125.60

Finding the Fourth Proportional to 240,943.20, 361,155.60 and 91,125.60

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Solution

The fourth proportional to 240,943.20, 361,155.60 and 91,125.60 is: 136,590.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,943.20 : 361,155.60 = 91,125.60 : x
  2. Step 2: Convert to fraction form
    240,943.20/361,155.60 = 91,125.60/x
  3. Step 3: Cross multiply
    240,943.20x = 361,155.60 × 91,125.60
  4. Step 4: Simplify right side
    240,943.20x = 32,910,520,743.36
  5. Step 5: Solve for x
    x = 32,910,520,743.36/240,943.20
  6. Step 6: Final answer
    x = 136,590.37

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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.