Home / 205,092.36-307,195.65-200,073.20

Finding the Fourth Proportional to 205,092.36, 307,195.65 and 200,073.20

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Solution

The fourth proportional to 205,092.36, 307,195.65 and 200,073.20 is: 299,677.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,092.36 : 307,195.65 = 200,073.20 : x
  2. Step 2: Convert to fraction form
    205,092.36/307,195.65 = 200,073.20/x
  3. Step 3: Cross multiply
    205,092.36x = 307,195.65 × 200,073.20
  4. Step 4: Simplify right side
    205,092.36x = 61,461,615,185.60
  5. Step 5: Solve for x
    x = 61,461,615,185.60/205,092.36
  6. Step 6: Final answer
    x = 299,677.74

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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.