Home / 199,591.08-274,967.82-139,052.22

Finding the Fourth Proportional to 199,591.08, 274,967.82 and 139,052.22

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Solution

The fourth proportional to 199,591.08, 274,967.82 and 139,052.22 is: 191,566.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,591.08 : 274,967.82 = 139,052.22 : x
  2. Step 2: Convert to fraction form
    199,591.08/274,967.82 = 139,052.22/x
  3. Step 3: Cross multiply
    199,591.08x = 274,967.82 × 139,052.22
  4. Step 4: Simplify right side
    199,591.08x = 38,234,885,799.56
  5. Step 5: Solve for x
    x = 38,234,885,799.56/199,591.08
  6. Step 6: Final answer
    x = 191,566.11

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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.