Home / 189,198.61-283,666.69-100,514.39

Finding the Fourth Proportional to 189,198.61, 283,666.69 and 100,514.39

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Solution

The fourth proportional to 189,198.61, 283,666.69 and 100,514.39 is: 150,701.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,198.61 : 283,666.69 = 100,514.39 : x
  2. Step 2: Convert to fraction form
    189,198.61/283,666.69 = 100,514.39/x
  3. Step 3: Cross multiply
    189,198.61x = 283,666.69 × 100,514.39
  4. Step 4: Simplify right side
    189,198.61x = 28,512,584,308.67
  5. Step 5: Solve for x
    x = 28,512,584,308.67/189,198.61
  6. Step 6: Final answer
    x = 150,701.87

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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.