Home / 200,816.40-301,131.14-74,451.54

Finding the Fourth Proportional to 200,816.40, 301,131.14 and 74,451.54

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Solution

The fourth proportional to 200,816.40, 301,131.14 and 74,451.54 is: 111,642.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,816.40 : 301,131.14 = 74,451.54 : x
  2. Step 2: Convert to fraction form
    200,816.40/301,131.14 = 74,451.54/x
  3. Step 3: Cross multiply
    200,816.40x = 301,131.14 × 74,451.54
  4. Step 4: Simplify right side
    200,816.40x = 22,419,676,742.70
  5. Step 5: Solve for x
    x = 22,419,676,742.70/200,816.40
  6. Step 6: Final answer
    x = 111,642.66

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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.