Home / 200,486.28-276,671.06-109,845.68

Finding the Fourth Proportional to 200,486.28, 276,671.06 and 109,845.68

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Solution

The fourth proportional to 200,486.28, 276,671.06 and 109,845.68 is: 151,587.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,486.28 : 276,671.06 = 109,845.68 : x
  2. Step 2: Convert to fraction form
    200,486.28/276,671.06 = 109,845.68/x
  3. Step 3: Cross multiply
    200,486.28x = 276,671.06 × 109,845.68
  4. Step 4: Simplify right side
    200,486.28x = 30,391,119,135.28
  5. Step 5: Solve for x
    x = 30,391,119,135.28/200,486.28
  6. Step 6: Final answer
    x = 151,587.03

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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.