Home / 200,218.89-276,431.03-178,671.62

Finding the Fourth Proportional to 200,218.89, 276,431.03 and 178,671.62

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Solution

The fourth proportional to 200,218.89, 276,431.03 and 178,671.62 is: 246,681.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,218.89 : 276,431.03 = 178,671.62 : x
  2. Step 2: Convert to fraction form
    200,218.89/276,431.03 = 178,671.62/x
  3. Step 3: Cross multiply
    200,218.89x = 276,431.03 × 178,671.62
  4. Step 4: Simplify right side
    200,218.89x = 49,390,380,416.11
  5. Step 5: Solve for x
    x = 49,390,380,416.11/200,218.89
  6. Step 6: Final answer
    x = 246,681.92

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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.