Home / 120,566.28-166,346.94-69,575.16

Finding the Fourth Proportional to 120,566.28, 166,346.94 and 69,575.16

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Solution

The fourth proportional to 120,566.28, 166,346.94 and 69,575.16 is: 95,993.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,566.28 : 166,346.94 = 69,575.16 : x
  2. Step 2: Convert to fraction form
    120,566.28/166,346.94 = 69,575.16/x
  3. Step 3: Cross multiply
    120,566.28x = 166,346.94 × 69,575.16
  4. Step 4: Simplify right side
    120,566.28x = 11,573,614,966.01
  5. Step 5: Solve for x
    x = 11,573,614,966.01/120,566.28
  6. Step 6: Final answer
    x = 95,993.80

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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.