Home / 205,825.61-283,996.05-120,911.69

Finding the Fourth Proportional to 205,825.61, 283,996.05 and 120,911.69

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Solution

The fourth proportional to 205,825.61, 283,996.05 and 120,911.69 is: 166,832.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,825.61 : 283,996.05 = 120,911.69 : x
  2. Step 2: Convert to fraction form
    205,825.61/283,996.05 = 120,911.69/x
  3. Step 3: Cross multiply
    205,825.61x = 283,996.05 × 120,911.69
  4. Step 4: Simplify right side
    205,825.61x = 34,338,442,358.82
  5. Step 5: Solve for x
    x = 34,338,442,358.82/205,825.61
  6. Step 6: Final answer
    x = 166,832.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.