Home / 166,610.89-229,683.85-118,781.20

Finding the Fourth Proportional to 166,610.89, 229,683.85 and 118,781.20

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Solution

The fourth proportional to 166,610.89, 229,683.85 and 118,781.20 is: 163,747.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,610.89 : 229,683.85 = 118,781.20 : x
  2. Step 2: Convert to fraction form
    166,610.89/229,683.85 = 118,781.20/x
  3. Step 3: Cross multiply
    166,610.89x = 229,683.85 × 118,781.20
  4. Step 4: Simplify right side
    166,610.89x = 27,282,123,323.62
  5. Step 5: Solve for x
    x = 27,282,123,323.62/166,610.89
  6. Step 6: Final answer
    x = 163,747.54

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1.5x scale

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.