Home / 211,108.44-316,628.64-92,757.72

Finding the Fourth Proportional to 211,108.44, 316,628.64 and 92,757.72

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Solution

The fourth proportional to 211,108.44, 316,628.64 and 92,757.72 is: 139,121.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,108.44 : 316,628.64 = 92,757.72 : x
  2. Step 2: Convert to fraction form
    211,108.44/316,628.64 = 92,757.72/x
  3. Step 3: Cross multiply
    211,108.44x = 316,628.64 × 92,757.72
  4. Step 4: Simplify right side
    211,108.44x = 29,369,750,733.10
  5. Step 5: Solve for x
    x = 29,369,750,733.10/211,108.44
  6. Step 6: Final answer
    x = 139,121.63

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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.