Home / 485,936.33-728,899.23-166,085.15

Finding the Fourth Proportional to 485,936.33, 728,899.23 and 166,085.15

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Solution

The fourth proportional to 485,936.33, 728,899.23 and 166,085.15 is: 249,125.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,936.33 : 728,899.23 = 166,085.15 : x
  2. Step 2: Convert to fraction form
    485,936.33/728,899.23 = 166,085.15/x
  3. Step 3: Cross multiply
    485,936.33x = 728,899.23 × 166,085.15
  4. Step 4: Simplify right side
    485,936.33x = 121,059,337,949.44
  5. Step 5: Solve for x
    x = 121,059,337,949.44/485,936.33
  6. Step 6: Final answer
    x = 249,125.93

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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.