Home / 107,357.20-148,104.35-69,103.02

Finding the Fourth Proportional to 107,357.20, 148,104.35 and 69,103.02

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Solution

The fourth proportional to 107,357.20, 148,104.35 and 69,103.02 is: 95,330.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,357.20 : 148,104.35 = 69,103.02 : x
  2. Step 2: Convert to fraction form
    107,357.20/148,104.35 = 69,103.02/x
  3. Step 3: Cross multiply
    107,357.20x = 148,104.35 × 69,103.02
  4. Step 4: Simplify right side
    107,357.20x = 10,234,458,329.15
  5. Step 5: Solve for x
    x = 10,234,458,329.15/107,357.20
  6. Step 6: Final answer
    x = 95,330.90

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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.