Home / 351,091.26-484,523.37-215,132.76

Finding the Fourth Proportional to 351,091.26, 484,523.37 and 215,132.76

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Solution

The fourth proportional to 351,091.26, 484,523.37 and 215,132.76 is: 296,893.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,091.26 : 484,523.37 = 215,132.76 : x
  2. Step 2: Convert to fraction form
    351,091.26/484,523.37 = 215,132.76/x
  3. Step 3: Cross multiply
    351,091.26x = 484,523.37 × 215,132.76
  4. Step 4: Simplify right side
    351,091.26x = 104,236,849,872.60
  5. Step 5: Solve for x
    x = 104,236,849,872.60/351,091.26
  6. Step 6: Final answer
    x = 296,893.89

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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.