Home / 352,638.02-486,625.52-199,684.58

Finding the Fourth Proportional to 352,638.02, 486,625.52 and 199,684.58

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Solution

The fourth proportional to 352,638.02, 486,625.52 and 199,684.58 is: 275,556.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,638.02 : 486,625.52 = 199,684.58 : x
  2. Step 2: Convert to fraction form
    352,638.02/486,625.52 = 199,684.58/x
  3. Step 3: Cross multiply
    352,638.02x = 486,625.52 × 199,684.58
  4. Step 4: Simplify right side
    352,638.02x = 97,171,610,644.57
  5. Step 5: Solve for x
    x = 97,171,610,644.57/352,638.02
  6. Step 6: Final answer
    x = 275,556.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.