Home / 131,037.80-196,556.70-83,798.60

Finding the Fourth Proportional to 131,037.80, 196,556.70 and 83,798.60

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Solution

The fourth proportional to 131,037.80, 196,556.70 and 83,798.60 is: 125,697.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,037.80 : 196,556.70 = 83,798.60 : x
  2. Step 2: Convert to fraction form
    131,037.80/196,556.70 = 83,798.60/x
  3. Step 3: Cross multiply
    131,037.80x = 196,556.70 × 83,798.60
  4. Step 4: Simplify right side
    131,037.80x = 16,471,176,280.62
  5. Step 5: Solve for x
    x = 16,471,176,280.62/131,037.80
  6. Step 6: Final answer
    x = 125,697.90

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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.