Home / 120,560.46-166,340.06-69,569.64

Finding the Fourth Proportional to 120,560.46, 166,340.06 and 69,569.64

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Solution

The fourth proportional to 120,560.46, 166,340.06 and 69,569.64 is: 95,986.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,560.46 : 166,340.06 = 69,569.64 : x
  2. Step 2: Convert to fraction form
    120,560.46/166,340.06 = 69,569.64/x
  3. Step 3: Cross multiply
    120,560.46x = 166,340.06 × 69,569.64
  4. Step 4: Simplify right side
    120,560.46x = 11,572,218,091.78
  5. Step 5: Solve for x
    x = 11,572,218,091.78/120,560.46
  6. Step 6: Final answer
    x = 95,986.84

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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.