Home / 200,463.28-276,636.20-109,818.48

Finding the Fourth Proportional to 200,463.28, 276,636.20 and 109,818.48

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Solution

The fourth proportional to 200,463.28, 276,636.20 and 109,818.48 is: 151,547.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,463.28 : 276,636.20 = 109,818.48 : x
  2. Step 2: Convert to fraction form
    200,463.28/276,636.20 = 109,818.48/x
  3. Step 3: Cross multiply
    200,463.28x = 276,636.20 × 109,818.48
  4. Step 4: Simplify right side
    200,463.28x = 30,379,766,996.98
  5. Step 5: Solve for x
    x = 30,379,766,996.98/200,463.28
  6. Step 6: Final answer
    x = 151,547.79

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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.