Home / 166,902.66-230,325.81-91,451.16

Finding the Fourth Proportional to 166,902.66, 230,325.81 and 91,451.16

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Solution

The fourth proportional to 166,902.66, 230,325.81 and 91,451.16 is: 126,202.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,902.66 : 230,325.81 = 91,451.16 : x
  2. Step 2: Convert to fraction form
    166,902.66/230,325.81 = 91,451.16/x
  3. Step 3: Cross multiply
    166,902.66x = 230,325.81 × 91,451.16
  4. Step 4: Simplify right side
    166,902.66x = 21,063,562,502.44
  5. Step 5: Solve for x
    x = 21,063,562,502.44/166,902.66
  6. Step 6: Final answer
    x = 126,202.68

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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.