Home / 166,909.72-230,335.54-97,985.69

Finding the Fourth Proportional to 166,909.72, 230,335.54 and 97,985.69

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Solution

The fourth proportional to 166,909.72, 230,335.54 and 97,985.69 is: 135,220.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,909.72 : 230,335.54 = 97,985.69 : x
  2. Step 2: Convert to fraction form
    166,909.72/230,335.54 = 97,985.69/x
  3. Step 3: Cross multiply
    166,909.72x = 230,335.54 × 97,985.69
  4. Step 4: Simplify right side
    166,909.72x = 22,569,586,285.54
  5. Step 5: Solve for x
    x = 22,569,586,285.54/166,909.72
  6. Step 6: Final answer
    x = 135,220.33

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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.