Home / 200,770.72-301,213.68-76,124.32

Finding the Fourth Proportional to 200,770.72, 301,213.68 and 76,124.32

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Solution

The fourth proportional to 200,770.72, 301,213.68 and 76,124.32 is: 114,208.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,770.72 : 301,213.68 = 76,124.32 : x
  2. Step 2: Convert to fraction form
    200,770.72/301,213.68 = 76,124.32/x
  3. Step 3: Cross multiply
    200,770.72x = 301,213.68 × 76,124.32
  4. Step 4: Simplify right side
    200,770.72x = 22,929,686,564.70
  5. Step 5: Solve for x
    x = 22,929,686,564.70/200,770.72
  6. Step 6: Final answer
    x = 114,208.32

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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.