Home / 214,290.49-321,499.98-64,535.68

Finding the Fourth Proportional to 214,290.49, 321,499.98 and 64,535.68

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Solution

The fourth proportional to 214,290.49, 321,499.98 and 64,535.68 is: 96,822.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,290.49 : 321,499.98 = 64,535.68 : x
  2. Step 2: Convert to fraction form
    214,290.49/321,499.98 = 64,535.68/x
  3. Step 3: Cross multiply
    214,290.49x = 321,499.98 × 64,535.68
  4. Step 4: Simplify right side
    214,290.49x = 20,748,219,829.29
  5. Step 5: Solve for x
    x = 20,748,219,829.29/214,290.49
  6. Step 6: Final answer
    x = 96,822.87

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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.