Home / 464,229.20-696,343.80-131,805.20

Finding the Fourth Proportional to 464,229.20, 696,343.80 and 131,805.20

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Solution

The fourth proportional to 464,229.20, 696,343.80 and 131,805.20 is: 197,707.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,229.20 : 696,343.80 = 131,805.20 : x
  2. Step 2: Convert to fraction form
    464,229.20/696,343.80 = 131,805.20/x
  3. Step 3: Cross multiply
    464,229.20x = 696,343.80 × 131,805.20
  4. Step 4: Simplify right side
    464,229.20x = 91,781,733,827.76
  5. Step 5: Solve for x
    x = 91,781,733,827.76/464,229.20
  6. Step 6: Final answer
    x = 197,707.80

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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.