Home / 200,049.18-276,056.70-109,387.14

Finding the Fourth Proportional to 200,049.18, 276,056.70 and 109,387.14

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Solution

The fourth proportional to 200,049.18, 276,056.70 and 109,387.14 is: 150,948.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,049.18 : 276,056.70 = 109,387.14 : x
  2. Step 2: Convert to fraction form
    200,049.18/276,056.70 = 109,387.14/x
  3. Step 3: Cross multiply
    200,049.18x = 276,056.70 × 109,387.14
  4. Step 4: Simplify right side
    200,049.18x = 30,197,052,890.84
  5. Step 5: Solve for x
    x = 30,197,052,890.84/200,049.18
  6. Step 6: Final answer
    x = 150,948.15

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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.