Home / 214,476.20-321,716.58-64,717.81

Finding the Fourth Proportional to 214,476.20, 321,716.58 and 64,717.81

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Solution

The fourth proportional to 214,476.20, 321,716.58 and 64,717.81 is: 97,077.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,476.20 : 321,716.58 = 64,717.81 : x
  2. Step 2: Convert to fraction form
    214,476.20/321,716.58 = 64,717.81/x
  3. Step 3: Cross multiply
    214,476.20x = 321,716.58 × 64,717.81
  4. Step 4: Simplify right side
    214,476.20x = 20,820,792,902.19
  5. Step 5: Solve for x
    x = 20,820,792,902.19/214,476.20
  6. Step 6: Final answer
    x = 97,077.40

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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.