Home / 120,698.55-166,567.79-69,710.33

Finding the Fourth Proportional to 120,698.55, 166,567.79 and 69,710.33

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Solution

The fourth proportional to 120,698.55, 166,567.79 and 69,710.33 is: 96,202.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,698.55 : 166,567.79 = 69,710.33 : x
  2. Step 2: Convert to fraction form
    120,698.55/166,567.79 = 69,710.33/x
  3. Step 3: Cross multiply
    120,698.55x = 166,567.79 × 69,710.33
  4. Step 4: Simplify right side
    120,698.55x = 11,611,494,426.88
  5. Step 5: Solve for x
    x = 11,611,494,426.88/120,698.55
  6. Step 6: Final answer
    x = 96,202.44

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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.