Home / 194,403.20-268,270.56-109,518.40

Finding the Fourth Proportional to 194,403.20, 268,270.56 and 109,518.40

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Solution

The fourth proportional to 194,403.20, 268,270.56 and 109,518.40 is: 151,132.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,403.20 : 268,270.56 = 109,518.40 : x
  2. Step 2: Convert to fraction form
    194,403.20/268,270.56 = 109,518.40/x
  3. Step 3: Cross multiply
    194,403.20x = 268,270.56 × 109,518.40
  4. Step 4: Simplify right side
    194,403.20x = 29,380,562,498.30
  5. Step 5: Solve for x
    x = 29,380,562,498.30/194,403.20
  6. Step 6: Final answer
    x = 151,132.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.