Home / 110,921.60-166,163.70-66,416.15

Finding the Fourth Proportional to 110,921.60, 166,163.70 and 66,416.15

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Solution

The fourth proportional to 110,921.60, 166,163.70 and 66,416.15 is: 99,493.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,921.60 : 166,163.70 = 66,416.15 : x
  2. Step 2: Convert to fraction form
    110,921.60/166,163.70 = 66,416.15/x
  3. Step 3: Cross multiply
    110,921.60x = 166,163.70 × 66,416.15
  4. Step 4: Simplify right side
    110,921.60x = 11,035,953,223.76
  5. Step 5: Solve for x
    x = 11,035,953,223.76/110,921.60
  6. Step 6: Final answer
    x = 99,493.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.