Home / 200,306.11-276,422.50-109,667.83

Finding the Fourth Proportional to 200,306.11, 276,422.50 and 109,667.83

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Solution

The fourth proportional to 200,306.11, 276,422.50 and 109,667.83 is: 151,341.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,306.11 : 276,422.50 = 109,667.83 : x
  2. Step 2: Convert to fraction form
    200,306.11/276,422.50 = 109,667.83/x
  3. Step 3: Cross multiply
    200,306.11x = 276,422.50 × 109,667.83
  4. Step 4: Simplify right side
    200,306.11x = 30,314,655,189.84
  5. Step 5: Solve for x
    x = 30,314,655,189.84/200,306.11
  6. Step 6: Final answer
    x = 151,341.64

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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.