Home / 166,778.50-230,156.49-91,325.38

Finding the Fourth Proportional to 166,778.50, 230,156.49 and 91,325.38

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Solution

The fourth proportional to 166,778.50, 230,156.49 and 91,325.38 is: 126,030.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,778.50 : 230,156.49 = 91,325.38 : x
  2. Step 2: Convert to fraction form
    166,778.50/230,156.49 = 91,325.38/x
  3. Step 3: Cross multiply
    166,778.50x = 230,156.49 × 91,325.38
  4. Step 4: Simplify right side
    166,778.50x = 21,019,128,908.72
  5. Step 5: Solve for x
    x = 21,019,128,908.72/166,778.50
  6. Step 6: Final answer
    x = 126,030.21

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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.