Home / 200,998.20-301,497.30-190,111.80

Finding the Fourth Proportional to 200,998.20, 301,497.30 and 190,111.80

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Solution

The fourth proportional to 200,998.20, 301,497.30 and 190,111.80 is: 285,167.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,998.20 : 301,497.30 = 190,111.80 : x
  2. Step 2: Convert to fraction form
    200,998.20/301,497.30 = 190,111.80/x
  3. Step 3: Cross multiply
    200,998.20x = 301,497.30 × 190,111.80
  4. Step 4: Simplify right side
    200,998.20x = 57,318,194,398.14
  5. Step 5: Solve for x
    x = 57,318,194,398.14/200,998.20
  6. Step 6: Final answer
    x = 285,167.70

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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.