Home / 197,716.03-296,143.40-102,659.45

Finding the Fourth Proportional to 197,716.03, 296,143.40 and 102,659.45

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Solution

The fourth proportional to 197,716.03, 296,143.40 and 102,659.45 is: 153,765.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,716.03 : 296,143.40 = 102,659.45 : x
  2. Step 2: Convert to fraction form
    197,716.03/296,143.40 = 102,659.45/x
  3. Step 3: Cross multiply
    197,716.03x = 296,143.40 × 102,659.45
  4. Step 4: Simplify right side
    197,716.03x = 30,401,917,341.06
  5. Step 5: Solve for x
    x = 30,401,917,341.06/197,716.03
  6. Step 6: Final answer
    x = 153,765.57

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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.