Home / 193,538.72-290,234.40-114,675.20

Finding the Fourth Proportional to 193,538.72, 290,234.40 and 114,675.20

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Solution

The fourth proportional to 193,538.72, 290,234.40 and 114,675.20 is: 171,969.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,538.72 : 290,234.40 = 114,675.20 : x
  2. Step 2: Convert to fraction form
    193,538.72/290,234.40 = 114,675.20/x
  3. Step 3: Cross multiply
    193,538.72x = 290,234.40 × 114,675.20
  4. Step 4: Simplify right side
    193,538.72x = 33,282,687,866.88
  5. Step 5: Solve for x
    x = 33,282,687,866.88/193,538.72
  6. Step 6: Final answer
    x = 171,969.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.