Home / 213,100.24-319,705.72-175,211.96

Finding the Fourth Proportional to 213,100.24, 319,705.72 and 175,211.96

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Solution

The fourth proportional to 213,100.24, 319,705.72 and 175,211.96 is: 262,863.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,100.24 : 319,705.72 = 175,211.96 : x
  2. Step 2: Convert to fraction form
    213,100.24/319,705.72 = 175,211.96/x
  3. Step 3: Cross multiply
    213,100.24x = 319,705.72 × 175,211.96
  4. Step 4: Simplify right side
    213,100.24x = 56,016,265,824.41
  5. Step 5: Solve for x
    x = 56,016,265,824.41/213,100.24
  6. Step 6: Final answer
    x = 262,863.46

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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.