Home / 197,501.20-296,245.14-79,140.76

Finding the Fourth Proportional to 197,501.20, 296,245.14 and 79,140.76

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Solution

The fourth proportional to 197,501.20, 296,245.14 and 79,140.76 is: 118,708.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,501.20 : 296,245.14 = 79,140.76 : x
  2. Step 2: Convert to fraction form
    197,501.20/296,245.14 = 79,140.76/x
  3. Step 3: Cross multiply
    197,501.20x = 296,245.14 × 79,140.76
  4. Step 4: Simplify right side
    197,501.20x = 23,445,065,525.91
  5. Step 5: Solve for x
    x = 23,445,065,525.91/197,501.20
  6. Step 6: Final answer
    x = 118,708.47

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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.