Home / 120,912.76-166,871.82-70,616.44

Finding the Fourth Proportional to 120,912.76, 166,871.82 and 70,616.44

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Solution

The fourth proportional to 120,912.76, 166,871.82 and 70,616.44 is: 97,457.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,912.76 : 166,871.82 = 70,616.44 : x
  2. Step 2: Convert to fraction form
    120,912.76/166,871.82 = 70,616.44/x
  3. Step 3: Cross multiply
    120,912.76x = 166,871.82 × 70,616.44
  4. Step 4: Simplify right side
    120,912.76x = 11,783,893,864.72
  5. Step 5: Solve for x
    x = 11,783,893,864.72/120,912.76
  6. Step 6: Final answer
    x = 97,457.82

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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.