Home / 131,707.80-197,556.90-52,800.60

Finding the Fourth Proportional to 131,707.80, 197,556.90 and 52,800.60

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Solution

The fourth proportional to 131,707.80, 197,556.90 and 52,800.60 is: 79,198.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,707.80 : 197,556.90 = 52,800.60 : x
  2. Step 2: Convert to fraction form
    131,707.80/197,556.90 = 52,800.60/x
  3. Step 3: Cross multiply
    131,707.80x = 197,556.90 × 52,800.60
  4. Step 4: Simplify right side
    131,707.80x = 10,431,122,854.14
  5. Step 5: Solve for x
    x = 10,431,122,854.14/131,707.80
  6. Step 6: Final answer
    x = 79,198.98

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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.