Home / 352,279.72-486,142.02-191,134.12

Finding the Fourth Proportional to 352,279.72, 486,142.02 and 191,134.12

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Solution

The fourth proportional to 352,279.72, 486,142.02 and 191,134.12 is: 263,762.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,279.72 : 486,142.02 = 191,134.12 : x
  2. Step 2: Convert to fraction form
    352,279.72/486,142.02 = 191,134.12/x
  3. Step 3: Cross multiply
    352,279.72x = 486,142.02 × 191,134.12
  4. Step 4: Simplify right side
    352,279.72x = 92,918,327,187.72
  5. Step 5: Solve for x
    x = 92,918,327,187.72/352,279.72
  6. Step 6: Final answer
    x = 263,762.92

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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.