Home / 376,042.68-518,934.06-214,895.88

Finding the Fourth Proportional to 376,042.68, 518,934.06 and 214,895.88

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Solution

The fourth proportional to 376,042.68, 518,934.06 and 214,895.88 is: 296,553.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,042.68 : 518,934.06 = 214,895.88 : x
  2. Step 2: Convert to fraction form
    376,042.68/518,934.06 = 214,895.88/x
  3. Step 3: Cross multiply
    376,042.68x = 518,934.06 × 214,895.88
  4. Step 4: Simplify right side
    376,042.68x = 111,516,791,485.67
  5. Step 5: Solve for x
    x = 111,516,791,485.67/376,042.68
  6. Step 6: Final answer
    x = 296,553.55

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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.