Home / 340,536.28-469,940.06-197,379.36

Finding the Fourth Proportional to 340,536.28, 469,940.06 and 197,379.36

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Solution

The fourth proportional to 340,536.28, 469,940.06 and 197,379.36 is: 272,383.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,536.28 : 469,940.06 = 197,379.36 : x
  2. Step 2: Convert to fraction form
    340,536.28/469,940.06 = 197,379.36/x
  3. Step 3: Cross multiply
    340,536.28x = 469,940.06 × 197,379.36
  4. Step 4: Simplify right side
    340,536.28x = 92,756,468,281.16
  5. Step 5: Solve for x
    x = 92,756,468,281.16/340,536.28
  6. Step 6: Final answer
    x = 272,383.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.