Home / 214,923.69-322,365.76-72,752.72

Finding the Fourth Proportional to 214,923.69, 322,365.76 and 72,752.72

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Solution

The fourth proportional to 214,923.69, 322,365.76 and 72,752.72 is: 109,122.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,923.69 : 322,365.76 = 72,752.72 : x
  2. Step 2: Convert to fraction form
    214,923.69/322,365.76 = 72,752.72/x
  3. Step 3: Cross multiply
    214,923.69x = 322,365.76 × 72,752.72
  4. Step 4: Simplify right side
    214,923.69x = 23,452,985,874.87
  5. Step 5: Solve for x
    x = 23,452,985,874.87/214,923.69
  6. Step 6: Final answer
    x = 109,122.39

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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.