Home / 131,542.40-197,313.60-52,668.80

Finding the Fourth Proportional to 131,542.40, 197,313.60 and 52,668.80

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Solution

The fourth proportional to 131,542.40, 197,313.60 and 52,668.80 is: 79,003.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,542.40 : 197,313.60 = 52,668.80 : x
  2. Step 2: Convert to fraction form
    131,542.40/197,313.60 = 52,668.80/x
  3. Step 3: Cross multiply
    131,542.40x = 197,313.60 × 52,668.80
  4. Step 4: Simplify right side
    131,542.40x = 10,392,270,535.68
  5. Step 5: Solve for x
    x = 10,392,270,535.68/131,542.40
  6. Step 6: Final answer
    x = 79,003.20

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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.