Home / 200,026.20-276,031.98-109,381.14

Finding the Fourth Proportional to 200,026.20, 276,031.98 and 109,381.14

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Solution

The fourth proportional to 200,026.20, 276,031.98 and 109,381.14 is: 150,943.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,026.20 : 276,031.98 = 109,381.14 : x
  2. Step 2: Convert to fraction form
    200,026.20/276,031.98 = 109,381.14/x
  3. Step 3: Cross multiply
    200,026.20x = 276,031.98 × 109,381.14
  4. Step 4: Simplify right side
    200,026.20x = 30,192,692,648.86
  5. Step 5: Solve for x
    x = 30,192,692,648.86/200,026.20
  6. Step 6: Final answer
    x = 150,943.69

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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.