Home / 229,639.80-317,057.56-205,365.44

Finding the Fourth Proportional to 229,639.80, 317,057.56 and 205,365.44

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Solution

The fourth proportional to 229,639.80, 317,057.56 and 205,365.44 is: 283,542.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,639.80 : 317,057.56 = 205,365.44 : x
  2. Step 2: Convert to fraction form
    229,639.80/317,057.56 = 205,365.44/x
  3. Step 3: Cross multiply
    229,639.80x = 317,057.56 × 205,365.44
  4. Step 4: Simplify right side
    229,639.80x = 65,112,665,314.73
  5. Step 5: Solve for x
    x = 65,112,665,314.73/229,639.80
  6. Step 6: Final answer
    x = 283,542.60

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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.