Home / 211,053.27-316,499.11-104,400.61

Finding the Fourth Proportional to 211,053.27, 316,499.11 and 104,400.61

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Solution

The fourth proportional to 211,053.27, 316,499.11 and 104,400.61 is: 156,560.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,053.27 : 316,499.11 = 104,400.61 : x
  2. Step 2: Convert to fraction form
    211,053.27/316,499.11 = 104,400.61/x
  3. Step 3: Cross multiply
    211,053.27x = 316,499.11 × 104,400.61
  4. Step 4: Simplify right side
    211,053.27x = 33,042,700,148.46
  5. Step 5: Solve for x
    x = 33,042,700,148.46/211,053.27
  6. Step 6: Final answer
    x = 156,560.95

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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.