Home / 120,723.55-166,590.64-67,008.58

Finding the Fourth Proportional to 120,723.55, 166,590.64 and 67,008.58

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Solution

The fourth proportional to 120,723.55, 166,590.64 and 67,008.58 is: 92,467.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,723.55 : 166,590.64 = 67,008.58 : x
  2. Step 2: Convert to fraction form
    120,723.55/166,590.64 = 67,008.58/x
  3. Step 3: Cross multiply
    120,723.55x = 166,590.64 × 67,008.58
  4. Step 4: Simplify right side
    120,723.55x = 11,163,002,227.69
  5. Step 5: Solve for x
    x = 11,163,002,227.69/120,723.55
  6. Step 6: Final answer
    x = 92,467.48

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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.