Home / 120,747.16-166,623.14-67,029.56

Finding the Fourth Proportional to 120,747.16, 166,623.14 and 67,029.56

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Solution

The fourth proportional to 120,747.16, 166,623.14 and 67,029.56 is: 92,496.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,747.16 : 166,623.14 = 67,029.56 : x
  2. Step 2: Convert to fraction form
    120,747.16/166,623.14 = 67,029.56/x
  3. Step 3: Cross multiply
    120,747.16x = 166,623.14 × 67,029.56
  4. Step 4: Simplify right side
    120,747.16x = 11,168,675,760.02
  5. Step 5: Solve for x
    x = 11,168,675,760.02/120,747.16
  6. Step 6: Final answer
    x = 92,496.38

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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.