Home / 120,614.37-166,435.26-69,609.89

Finding the Fourth Proportional to 120,614.37, 166,435.26 and 69,609.89

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Solution

The fourth proportional to 120,614.37, 166,435.26 and 69,609.89 is: 96,054.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,614.37 : 166,435.26 = 69,609.89 : x
  2. Step 2: Convert to fraction form
    120,614.37/166,435.26 = 69,609.89/x
  3. Step 3: Cross multiply
    120,614.37x = 166,435.26 × 69,609.89
  4. Step 4: Simplify right side
    120,614.37x = 11,585,539,308.55
  5. Step 5: Solve for x
    x = 11,585,539,308.55/120,614.37
  6. Step 6: Final answer
    x = 96,054.39

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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.