Home / 432,552.60-648,942.30-166,321.80

Finding the Fourth Proportional to 432,552.60, 648,942.30 and 166,321.80

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Solution

The fourth proportional to 432,552.60, 648,942.30 and 166,321.80 is: 249,526.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,552.60 : 648,942.30 = 166,321.80 : x
  2. Step 2: Convert to fraction form
    432,552.60/648,942.30 = 166,321.80/x
  3. Step 3: Cross multiply
    432,552.60x = 648,942.30 × 166,321.80
  4. Step 4: Simplify right side
    432,552.60x = 107,933,251,432.14
  5. Step 5: Solve for x
    x = 107,933,251,432.14/432,552.60
  6. Step 6: Final answer
    x = 249,526.30

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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.