Home / 214,426.19-321,650.82-56,650.34

Finding the Fourth Proportional to 214,426.19, 321,650.82 and 56,650.34

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Solution

The fourth proportional to 214,426.19, 321,650.82 and 56,650.34 is: 84,978.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,426.19 : 321,650.82 = 56,650.34 : x
  2. Step 2: Convert to fraction form
    214,426.19/321,650.82 = 56,650.34/x
  3. Step 3: Cross multiply
    214,426.19x = 321,650.82 × 56,650.34
  4. Step 4: Simplify right side
    214,426.19x = 18,221,626,706.02
  5. Step 5: Solve for x
    x = 18,221,626,706.02/214,426.19
  6. Step 6: Final answer
    x = 84,978.55

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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.