Home / 131,037.60-196,556.40-36,267.60

Finding the Fourth Proportional to 131,037.60, 196,556.40 and 36,267.60

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Solution

The fourth proportional to 131,037.60, 196,556.40 and 36,267.60 is: 54,401.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,037.60 : 196,556.40 = 36,267.60 : x
  2. Step 2: Convert to fraction form
    131,037.60/196,556.40 = 36,267.60/x
  3. Step 3: Cross multiply
    131,037.60x = 196,556.40 × 36,267.60
  4. Step 4: Simplify right side
    131,037.60x = 7,128,628,892.64
  5. Step 5: Solve for x
    x = 7,128,628,892.64/131,037.60
  6. Step 6: Final answer
    x = 54,401.40

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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.