Home / 139,204.26-192,102.00-75,542.06

Finding the Fourth Proportional to 139,204.26, 192,102.00 and 75,542.06

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Solution

The fourth proportional to 139,204.26, 192,102.00 and 75,542.06 is: 104,248.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,204.26 : 192,102.00 = 75,542.06 : x
  2. Step 2: Convert to fraction form
    139,204.26/192,102.00 = 75,542.06/x
  3. Step 3: Cross multiply
    139,204.26x = 192,102.00 × 75,542.06
  4. Step 4: Simplify right side
    139,204.26x = 14,511,779,471.90
  5. Step 5: Solve for x
    x = 14,511,779,471.90/139,204.26
  6. Step 6: Final answer
    x = 104,248.10

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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.