Home / 213,116.58-319,571.19-113,324.58

Finding the Fourth Proportional to 213,116.58, 319,571.19 and 113,324.58

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Solution

The fourth proportional to 213,116.58, 319,571.19 and 113,324.58 is: 169,931.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,116.58 : 319,571.19 = 113,324.58 : x
  2. Step 2: Convert to fraction form
    213,116.58/319,571.19 = 113,324.58/x
  3. Step 3: Cross multiply
    213,116.58x = 319,571.19 × 113,324.58
  4. Step 4: Simplify right side
    213,116.58x = 36,215,270,886.85
  5. Step 5: Solve for x
    x = 36,215,270,886.85/213,116.58
  6. Step 6: Final answer
    x = 169,931.74

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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.