Home / 214,922.69-322,364.27-72,751.72

Finding the Fourth Proportional to 214,922.69, 322,364.27 and 72,751.72

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Solution

The fourth proportional to 214,922.69, 322,364.27 and 72,751.72 is: 109,120.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,922.69 : 322,364.27 = 72,751.72 : x
  2. Step 2: Convert to fraction form
    214,922.69/322,364.27 = 72,751.72/x
  3. Step 3: Cross multiply
    214,922.69x = 322,364.27 × 72,751.72
  4. Step 4: Simplify right side
    214,922.69x = 23,452,553,939.38
  5. Step 5: Solve for x
    x = 23,452,553,939.38/214,922.69
  6. Step 6: Final answer
    x = 109,120.88

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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.