Home / 353,099.73-487,287.18-191,965.62

Finding the Fourth Proportional to 353,099.73, 487,287.18 and 191,965.62

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Solution

The fourth proportional to 353,099.73, 487,287.18 and 191,965.62 is: 264,917.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,099.73 : 487,287.18 = 191,965.62 : x
  2. Step 2: Convert to fraction form
    353,099.73/487,287.18 = 191,965.62/x
  3. Step 3: Cross multiply
    353,099.73x = 487,287.18 × 191,965.62
  4. Step 4: Simplify right side
    353,099.73x = 93,542,385,626.75
  5. Step 5: Solve for x
    x = 93,542,385,626.75/353,099.73
  6. Step 6: Final answer
    x = 264,917.75

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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.