Home / 120,845.24-166,760.45-69,853.12

Finding the Fourth Proportional to 120,845.24, 166,760.45 and 69,853.12

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Solution

The fourth proportional to 120,845.24, 166,760.45 and 69,853.12 is: 96,393.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,845.24 : 166,760.45 = 69,853.12 : x
  2. Step 2: Convert to fraction form
    120,845.24/166,760.45 = 69,853.12/x
  3. Step 3: Cross multiply
    120,845.24x = 166,760.45 × 69,853.12
  4. Step 4: Simplify right side
    120,845.24x = 11,648,737,482.84
  5. Step 5: Solve for x
    x = 11,648,737,482.84/120,845.24
  6. Step 6: Final answer
    x = 96,393.84

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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.