Home / 376,274.43-519,259.07-215,132.85

Finding the Fourth Proportional to 376,274.43, 519,259.07 and 215,132.85

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Solution

The fourth proportional to 376,274.43, 519,259.07 and 215,132.85 is: 296,883.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,274.43 : 519,259.07 = 215,132.85 : x
  2. Step 2: Convert to fraction form
    376,274.43/519,259.07 = 215,132.85/x
  3. Step 3: Cross multiply
    376,274.43x = 519,259.07 × 215,132.85
  4. Step 4: Simplify right side
    376,274.43x = 111,709,685,803.42
  5. Step 5: Solve for x
    x = 111,709,685,803.42/376,274.43
  6. Step 6: Final answer
    x = 296,883.54

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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.