Home / 166,683.49-230,022.34-90,202.54

Finding the Fourth Proportional to 166,683.49, 230,022.34 and 90,202.54

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Solution

The fourth proportional to 166,683.49, 230,022.34 and 90,202.54 is: 124,479.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,683.49 : 230,022.34 = 90,202.54 : x
  2. Step 2: Convert to fraction form
    166,683.49/230,022.34 = 90,202.54/x
  3. Step 3: Cross multiply
    166,683.49x = 230,022.34 × 90,202.54
  4. Step 4: Simplify right side
    166,683.49x = 20,748,599,324.74
  5. Step 5: Solve for x
    x = 20,748,599,324.74/166,683.49
  6. Step 6: Final answer
    x = 124,479.03

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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.