Home / 188,764.23-260,495.50-108,196.47

Finding the Fourth Proportional to 188,764.23, 260,495.50 and 108,196.47

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Solution

The fourth proportional to 188,764.23, 260,495.50 and 108,196.47 is: 149,311.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,764.23 : 260,495.50 = 108,196.47 : x
  2. Step 2: Convert to fraction form
    188,764.23/260,495.50 = 108,196.47/x
  3. Step 3: Cross multiply
    188,764.23x = 260,495.50 × 108,196.47
  4. Step 4: Simplify right side
    188,764.23x = 28,184,692,248.41
  5. Step 5: Solve for x
    x = 28,184,692,248.41/188,764.23
  6. Step 6: Final answer
    x = 149,311.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.