Home / 221,313.48-331,989.12-94,959.24

Finding the Fourth Proportional to 221,313.48, 331,989.12 and 94,959.24

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Solution

The fourth proportional to 221,313.48, 331,989.12 and 94,959.24 is: 142,446.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,313.48 : 331,989.12 = 94,959.24 : x
  2. Step 2: Convert to fraction form
    221,313.48/331,989.12 = 94,959.24/x
  3. Step 3: Cross multiply
    221,313.48x = 331,989.12 × 94,959.24
  4. Step 4: Simplify right side
    221,313.48x = 31,525,434,523.47
  5. Step 5: Solve for x
    x = 31,525,434,523.47/221,313.48
  6. Step 6: Final answer
    x = 142,446.97

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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.