Home / 214,461.69-321,694.85-64,703.28

Finding the Fourth Proportional to 214,461.69, 321,694.85 and 64,703.28

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Solution

The fourth proportional to 214,461.69, 321,694.85 and 64,703.28 is: 97,055.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,461.69 : 321,694.85 = 64,703.28 : x
  2. Step 2: Convert to fraction form
    214,461.69/321,694.85 = 64,703.28/x
  3. Step 3: Cross multiply
    214,461.69x = 321,694.85 × 64,703.28
  4. Step 4: Simplify right side
    214,461.69x = 20,814,711,954.11
  5. Step 5: Solve for x
    x = 20,814,711,954.11/214,461.69
  6. Step 6: Final answer
    x = 97,055.62

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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.