Home / 213,217.73-319,875.79-113,474.12

Finding the Fourth Proportional to 213,217.73, 319,875.79 and 113,474.12

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Solution

The fourth proportional to 213,217.73, 319,875.79 and 113,474.12 is: 170,237.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,217.73 : 319,875.79 = 113,474.12 : x
  2. Step 2: Convert to fraction form
    213,217.73/319,875.79 = 113,474.12/x
  3. Step 3: Cross multiply
    213,217.73x = 319,875.79 × 113,474.12
  4. Step 4: Simplify right side
    213,217.73x = 36,297,623,779.55
  5. Step 5: Solve for x
    x = 36,297,623,779.55/213,217.73
  6. Step 6: Final answer
    x = 170,237.37

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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.