Home / 353,216.73-487,424.27-200,265.21

Finding the Fourth Proportional to 353,216.73, 487,424.27 and 200,265.21

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Solution

The fourth proportional to 353,216.73, 487,424.27 and 200,265.21 is: 276,357.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,216.73 : 487,424.27 = 200,265.21 : x
  2. Step 2: Convert to fraction form
    353,216.73/487,424.27 = 200,265.21/x
  3. Step 3: Cross multiply
    353,216.73x = 487,424.27 × 200,265.21
  4. Step 4: Simplify right side
    353,216.73x = 97,614,122,789.32
  5. Step 5: Solve for x
    x = 97,614,122,789.32/353,216.73
  6. Step 6: Final answer
    x = 276,357.59

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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.