Home / 276,853.49-415,331.96-190,662.83

Finding the Fourth Proportional to 276,853.49, 415,331.96 and 190,662.83

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Solution

The fourth proportional to 276,853.49, 415,331.96 and 190,662.83 is: 286,029.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,853.49 : 415,331.96 = 190,662.83 : x
  2. Step 2: Convert to fraction form
    276,853.49/415,331.96 = 190,662.83/x
  3. Step 3: Cross multiply
    276,853.49x = 415,331.96 × 190,662.83
  4. Step 4: Simplify right side
    276,853.49x = 79,188,366,538.05
  5. Step 5: Solve for x
    x = 79,188,366,538.05/276,853.49
  6. Step 6: Final answer
    x = 286,029.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.