Home / 340,335.72-469,629.36-197,141.76

Finding the Fourth Proportional to 340,335.72, 469,629.36 and 197,141.76

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Solution

The fourth proportional to 340,335.72, 469,629.36 and 197,141.76 is: 272,035.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,335.72 : 469,629.36 = 197,141.76 : x
  2. Step 2: Convert to fraction form
    340,335.72/469,629.36 = 197,141.76/x
  3. Step 3: Cross multiply
    340,335.72x = 469,629.36 × 197,141.76
  4. Step 4: Simplify right side
    340,335.72x = 92,583,558,578.07
  5. Step 5: Solve for x
    x = 92,583,558,578.07/340,335.72
  6. Step 6: Final answer
    x = 272,035.97

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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.