Home / 197,655.21-296,234.51-85,203.81

Finding the Fourth Proportional to 197,655.21, 296,234.51 and 85,203.81

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Solution

The fourth proportional to 197,655.21, 296,234.51 and 85,203.81 is: 127,698.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,655.21 : 296,234.51 = 85,203.81 : x
  2. Step 2: Convert to fraction form
    197,655.21/296,234.51 = 85,203.81/x
  3. Step 3: Cross multiply
    197,655.21x = 296,234.51 × 85,203.81
  4. Step 4: Simplify right side
    197,655.21x = 25,240,308,479.46
  5. Step 5: Solve for x
    x = 25,240,308,479.46/197,655.21
  6. Step 6: Final answer
    x = 127,698.68

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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.