Home / 282,313.73-389,593.59-154,997.52

Finding the Fourth Proportional to 282,313.73, 389,593.59 and 154,997.52

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Solution

The fourth proportional to 282,313.73, 389,593.59 and 154,997.52 is: 213,896.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,313.73 : 389,593.59 = 154,997.52 : x
  2. Step 2: Convert to fraction form
    282,313.73/389,593.59 = 154,997.52/x
  3. Step 3: Cross multiply
    282,313.73x = 389,593.59 × 154,997.52
  4. Step 4: Simplify right side
    282,313.73x = 60,386,040,257.90
  5. Step 5: Solve for x
    x = 60,386,040,257.90/282,313.73
  6. Step 6: Final answer
    x = 213,896.93

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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.