Home / 432,922.60-649,486.30-137,434.60

Finding the Fourth Proportional to 432,922.60, 649,486.30 and 137,434.60

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Solution

The fourth proportional to 432,922.60, 649,486.30 and 137,434.60 is: 206,184.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,922.60 : 649,486.30 = 137,434.60 : x
  2. Step 2: Convert to fraction form
    432,922.60/649,486.30 = 137,434.60/x
  3. Step 3: Cross multiply
    432,922.60x = 649,486.30 × 137,434.60
  4. Step 4: Simplify right side
    432,922.60x = 89,261,889,845.98
  5. Step 5: Solve for x
    x = 89,261,889,845.98/432,922.60
  6. Step 6: Final answer
    x = 206,184.41

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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.