Home / 326,858.32-490,435.34-166,851.60

Finding the Fourth Proportional to 326,858.32, 490,435.34 and 166,851.60

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Solution

The fourth proportional to 326,858.32, 490,435.34 and 166,851.60 is: 250,352.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,858.32 : 490,435.34 = 166,851.60 : x
  2. Step 2: Convert to fraction form
    326,858.32/490,435.34 = 166,851.60/x
  3. Step 3: Cross multiply
    326,858.32x = 490,435.34 × 166,851.60
  4. Step 4: Simplify right side
    326,858.32x = 81,829,921,175.54
  5. Step 5: Solve for x
    x = 81,829,921,175.54/326,858.32
  6. Step 6: Final answer
    x = 250,352.88

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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.