Home / 214,479.14-321,710.61-64,715.43

Finding the Fourth Proportional to 214,479.14, 321,710.61 and 64,715.43

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Solution

The fourth proportional to 214,479.14, 321,710.61 and 64,715.43 is: 97,070.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,479.14 : 321,710.61 = 64,715.43 : x
  2. Step 2: Convert to fraction form
    214,479.14/321,710.61 = 64,715.43/x
  3. Step 3: Cross multiply
    214,479.14x = 321,710.61 × 64,715.43
  4. Step 4: Simplify right side
    214,479.14x = 20,819,640,461.71
  5. Step 5: Solve for x
    x = 20,819,640,461.71/214,479.14
  6. Step 6: Final answer
    x = 97,070.70

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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.