Home / 120,294.18-166,049.73-69,993.18

Finding the Fourth Proportional to 120,294.18, 166,049.73 and 69,993.18

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Solution

The fourth proportional to 120,294.18, 166,049.73 and 69,993.18 is: 96,616.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,294.18 : 166,049.73 = 69,993.18 : x
  2. Step 2: Convert to fraction form
    120,294.18/166,049.73 = 69,993.18/x
  3. Step 3: Cross multiply
    120,294.18x = 166,049.73 × 69,993.18
  4. Step 4: Simplify right side
    120,294.18x = 11,622,348,640.84
  5. Step 5: Solve for x
    x = 11,622,348,640.84/120,294.18
  6. Step 6: Final answer
    x = 96,616.05

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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.