Home / 352,337.15-486,218.52-199,372.56

Finding the Fourth Proportional to 352,337.15, 486,218.52 and 199,372.56

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Solution

The fourth proportional to 352,337.15, 486,218.52 and 199,372.56 is: 275,130.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,337.15 : 486,218.52 = 199,372.56 : x
  2. Step 2: Convert to fraction form
    352,337.15/486,218.52 = 199,372.56/x
  3. Step 3: Cross multiply
    352,337.15x = 486,218.52 × 199,372.56
  4. Step 4: Simplify right side
    352,337.15x = 96,938,631,051.81
  5. Step 5: Solve for x
    x = 96,938,631,051.81/352,337.15
  6. Step 6: Final answer
    x = 275,130.31

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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.