Home / 214,081.95-321,139.53-64,310.52

Finding the Fourth Proportional to 214,081.95, 321,139.53 and 64,310.52

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Solution

The fourth proportional to 214,081.95, 321,139.53 and 64,310.52 is: 96,470.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,081.95 : 321,139.53 = 64,310.52 : x
  2. Step 2: Convert to fraction form
    214,081.95/321,139.53 = 64,310.52/x
  3. Step 3: Cross multiply
    214,081.95x = 321,139.53 × 64,310.52
  4. Step 4: Simplify right side
    214,081.95x = 20,652,650,166.86
  5. Step 5: Solve for x
    x = 20,652,650,166.86/214,081.95
  6. Step 6: Final answer
    x = 96,470.77

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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.