Home / 325,818.12-488,573.82-126,231.96

Finding the Fourth Proportional to 325,818.12, 488,573.82 and 126,231.96

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Solution

The fourth proportional to 325,818.12, 488,573.82 and 126,231.96 is: 189,288.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,818.12 : 488,573.82 = 126,231.96 : x
  2. Step 2: Convert to fraction form
    325,818.12/488,573.82 = 126,231.96/x
  3. Step 3: Cross multiply
    325,818.12x = 488,573.82 × 126,231.96
  4. Step 4: Simplify right side
    325,818.12x = 61,673,630,903.29
  5. Step 5: Solve for x
    x = 61,673,630,903.29/325,818.12
  6. Step 6: Final answer
    x = 189,288.52

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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.