Home / 120,559.46-166,338.68-69,568.64

Finding the Fourth Proportional to 120,559.46, 166,338.68 and 69,568.64

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Solution

The fourth proportional to 120,559.46, 166,338.68 and 69,568.64 is: 95,985.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,559.46 : 166,338.68 = 69,568.64 : x
  2. Step 2: Convert to fraction form
    120,559.46/166,338.68 = 69,568.64/x
  3. Step 3: Cross multiply
    120,559.46x = 166,338.68 × 69,568.64
  4. Step 4: Simplify right side
    120,559.46x = 11,571,955,747.00
  5. Step 5: Solve for x
    x = 11,571,955,747.00/120,559.46
  6. Step 6: Final answer
    x = 95,985.46

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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.