Home / 353,084.27-487,246.05-200,136.56

Finding the Fourth Proportional to 353,084.27, 487,246.05 and 200,136.56

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Solution

The fourth proportional to 353,084.27, 487,246.05 and 200,136.56 is: 276,182.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,084.27 : 487,246.05 = 200,136.56 : x
  2. Step 2: Convert to fraction form
    353,084.27/487,246.05 = 200,136.56/x
  3. Step 3: Cross multiply
    353,084.27x = 487,246.05 × 200,136.56
  4. Step 4: Simplify right side
    353,084.27x = 97,515,745,884.36
  5. Step 5: Solve for x
    x = 97,515,745,884.36/353,084.27
  6. Step 6: Final answer
    x = 276,182.64

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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.