Home / 282,314.73-389,594.97-154,998.52

Finding the Fourth Proportional to 282,314.73, 389,594.97 and 154,998.52

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Solution

The fourth proportional to 282,314.73, 389,594.97 and 154,998.52 is: 213,898.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,314.73 : 389,594.97 = 154,998.52 : x
  2. Step 2: Convert to fraction form
    282,314.73/389,594.97 = 154,998.52/x
  3. Step 3: Cross multiply
    282,314.73x = 389,594.97 × 154,998.52
  4. Step 4: Simplify right side
    282,314.73x = 60,386,643,749.44
  5. Step 5: Solve for x
    x = 60,386,643,749.44/282,314.73
  6. Step 6: Final answer
    x = 213,898.31

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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.