Home / 213,046.18-319,568.55-119,617.54

Finding the Fourth Proportional to 213,046.18, 319,568.55 and 119,617.54

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Solution

The fourth proportional to 213,046.18, 319,568.55 and 119,617.54 is: 179,425.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,046.18 : 319,568.55 = 119,617.54 : x
  2. Step 2: Convert to fraction form
    213,046.18/319,568.55 = 119,617.54/x
  3. Step 3: Cross multiply
    213,046.18x = 319,568.55 × 119,617.54
  4. Step 4: Simplify right side
    213,046.18x = 38,226,003,812.37
  5. Step 5: Solve for x
    x = 38,226,003,812.37/213,046.18
  6. Step 6: Final answer
    x = 179,425.91

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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.