Home / 214,121.64-321,169.50-56,349.84

Finding the Fourth Proportional to 214,121.64, 321,169.50 and 56,349.84

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Solution

The fourth proportional to 214,121.64, 321,169.50 and 56,349.84 is: 84,521.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,121.64 : 321,169.50 = 56,349.84 : x
  2. Step 2: Convert to fraction form
    214,121.64/321,169.50 = 56,349.84/x
  3. Step 3: Cross multiply
    214,121.64x = 321,169.50 × 56,349.84
  4. Step 4: Simplify right side
    214,121.64x = 18,097,849,937.88
  5. Step 5: Solve for x
    x = 18,097,849,937.88/214,121.64
  6. Step 6: Final answer
    x = 84,521.35

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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.