Home / 200,518.28-276,703.30-109,856.20

Finding the Fourth Proportional to 200,518.28, 276,703.30 and 109,856.20

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Solution

The fourth proportional to 200,518.28, 276,703.30 and 109,856.20 is: 151,595.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,518.28 : 276,703.30 = 109,856.20 : x
  2. Step 2: Convert to fraction form
    200,518.28/276,703.30 = 109,856.20/x
  3. Step 3: Cross multiply
    200,518.28x = 276,703.30 × 109,856.20
  4. Step 4: Simplify right side
    200,518.28x = 30,397,573,065.46
  5. Step 5: Solve for x
    x = 30,397,573,065.46/200,518.28
  6. Step 6: Final answer
    x = 151,595.02

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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.