Home / 214,103.92-321,143.40-64,341.04

Finding the Fourth Proportional to 214,103.92, 321,143.40 and 64,341.04

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Solution

The fourth proportional to 214,103.92, 321,143.40 and 64,341.04 is: 96,507.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,103.92 : 321,143.40 = 64,341.04 : x
  2. Step 2: Convert to fraction form
    214,103.92/321,143.40 = 64,341.04/x
  3. Step 3: Cross multiply
    214,103.92x = 321,143.40 × 64,341.04
  4. Step 4: Simplify right side
    214,103.92x = 20,662,700,345.14
  5. Step 5: Solve for x
    x = 20,662,700,345.14/214,103.92
  6. Step 6: Final answer
    x = 96,507.81

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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.