Home / 214,483.38-321,716.98-64,719.69

Finding the Fourth Proportional to 214,483.38, 321,716.98 and 64,719.69

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Solution

The fourth proportional to 214,483.38, 321,716.98 and 64,719.69 is: 97,077.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,483.38 : 321,716.98 = 64,719.69 : x
  2. Step 2: Convert to fraction form
    214,483.38/321,716.98 = 64,719.69/x
  3. Step 3: Cross multiply
    214,483.38x = 321,716.98 × 64,719.69
  4. Step 4: Simplify right side
    214,483.38x = 20,821,423,213.34
  5. Step 5: Solve for x
    x = 20,821,423,213.34/214,483.38
  6. Step 6: Final answer
    x = 97,077.09

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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.