Home / 331,219.84-457,085.28-180,316.48

Finding the Fourth Proportional to 331,219.84, 457,085.28 and 180,316.48

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Solution

The fourth proportional to 331,219.84, 457,085.28 and 180,316.48 is: 248,837.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,219.84 : 457,085.28 = 180,316.48 : x
  2. Step 2: Convert to fraction form
    331,219.84/457,085.28 = 180,316.48/x
  3. Step 3: Cross multiply
    331,219.84x = 457,085.28 × 180,316.48
  4. Step 4: Simplify right side
    331,219.84x = 82,420,008,749.41
  5. Step 5: Solve for x
    x = 82,420,008,749.41/331,219.84
  6. Step 6: Final answer
    x = 248,837.78

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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.