Home / 112,380.60-168,570.90-107,196.60

Finding the Fourth Proportional to 112,380.60, 168,570.90 and 107,196.60

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Solution

The fourth proportional to 112,380.60, 168,570.90 and 107,196.60 is: 160,794.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,380.60 : 168,570.90 = 107,196.60 : x
  2. Step 2: Convert to fraction form
    112,380.60/168,570.90 = 107,196.60/x
  3. Step 3: Cross multiply
    112,380.60x = 168,570.90 × 107,196.60
  4. Step 4: Simplify right side
    112,380.60x = 18,070,227,338.94
  5. Step 5: Solve for x
    x = 18,070,227,338.94/112,380.60
  6. Step 6: Final answer
    x = 160,794.90

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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.