Home / 325,829.10-488,743.65-166,396.80

Finding the Fourth Proportional to 325,829.10, 488,743.65 and 166,396.80

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Solution

The fourth proportional to 325,829.10, 488,743.65 and 166,396.80 is: 249,595.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,829.10 : 488,743.65 = 166,396.80 : x
  2. Step 2: Convert to fraction form
    325,829.10/488,743.65 = 166,396.80/x
  3. Step 3: Cross multiply
    325,829.10x = 488,743.65 × 166,396.80
  4. Step 4: Simplify right side
    325,829.10x = 81,325,379,380.32
  5. Step 5: Solve for x
    x = 81,325,379,380.32/325,829.10
  6. Step 6: Final answer
    x = 249,595.20

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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.