Home / 166,961.58-230,430.60-103,319.88

Finding the Fourth Proportional to 166,961.58, 230,430.60 and 103,319.88

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Solution

The fourth proportional to 166,961.58, 230,430.60 and 103,319.88 is: 142,596.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,961.58 : 230,430.60 = 103,319.88 : x
  2. Step 2: Convert to fraction form
    166,961.58/230,430.60 = 103,319.88/x
  3. Step 3: Cross multiply
    166,961.58x = 230,430.60 × 103,319.88
  4. Step 4: Simplify right side
    166,961.58x = 23,808,061,940.33
  5. Step 5: Solve for x
    x = 23,808,061,940.33/166,961.58
  6. Step 6: Final answer
    x = 142,596.05

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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.