Home / 215,694.03-323,541.85-65,933.74

Finding the Fourth Proportional to 215,694.03, 323,541.85 and 65,933.74

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Solution

The fourth proportional to 215,694.03, 323,541.85 and 65,933.74 is: 98,900.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,694.03 : 323,541.85 = 65,933.74 : x
  2. Step 2: Convert to fraction form
    215,694.03/323,541.85 = 65,933.74/x
  3. Step 3: Cross multiply
    215,694.03x = 323,541.85 × 65,933.74
  4. Step 4: Simplify right side
    215,694.03x = 21,332,323,887.35
  5. Step 5: Solve for x
    x = 21,332,323,887.35/215,694.03
  6. Step 6: Final answer
    x = 98,900.85

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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.