Home / 112,500.80-168,794.40-110,729.60

Finding the Fourth Proportional to 112,500.80, 168,794.40 and 110,729.60

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Solution

The fourth proportional to 112,500.80, 168,794.40 and 110,729.60 is: 166,136.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,500.80 : 168,794.40 = 110,729.60 : x
  2. Step 2: Convert to fraction form
    112,500.80/168,794.40 = 110,729.60/x
  3. Step 3: Cross multiply
    112,500.80x = 168,794.40 × 110,729.60
  4. Step 4: Simplify right side
    112,500.80x = 18,690,536,394.24
  5. Step 5: Solve for x
    x = 18,690,536,394.24/112,500.80
  6. Step 6: Final answer
    x = 166,136.92

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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.