Home / 110,869.60-166,288.20-31,975.60

Finding the Fourth Proportional to 110,869.60, 166,288.20 and 31,975.60

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Solution

The fourth proportional to 110,869.60, 166,288.20 and 31,975.60 is: 47,958.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,869.60 : 166,288.20 = 31,975.60 : x
  2. Step 2: Convert to fraction form
    110,869.60/166,288.20 = 31,975.60/x
  3. Step 3: Cross multiply
    110,869.60x = 166,288.20 × 31,975.60
  4. Step 4: Simplify right side
    110,869.60x = 5,317,164,967.92
  5. Step 5: Solve for x
    x = 5,317,164,967.92/110,869.60
  6. Step 6: Final answer
    x = 47,958.73

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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.