Home / 214,528.11-321,844.20-64,759.46

Finding the Fourth Proportional to 214,528.11, 321,844.20 and 64,759.46

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Solution

The fourth proportional to 214,528.11, 321,844.20 and 64,759.46 is: 97,154.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,528.11 : 321,844.20 = 64,759.46 : x
  2. Step 2: Convert to fraction form
    214,528.11/321,844.20 = 64,759.46/x
  3. Step 3: Cross multiply
    214,528.11x = 321,844.20 × 64,759.46
  4. Step 4: Simplify right side
    214,528.11x = 20,842,454,663.11
  5. Step 5: Solve for x
    x = 20,842,454,663.11/214,528.11
  6. Step 6: Final answer
    x = 97,154.89

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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.