Home / 340,193.36-469,437-189,298.64

Finding the Fourth Proportional to 340,193.36, 469,437 and 189,298.64

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Solution

The fourth proportional to 340,193.36, 469,437 and 189,298.64 is: 261,215.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,193.36 : 469,437 = 189,298.64 : x
  2. Step 2: Convert to fraction form
    340,193.36/469,437 = 189,298.64/x
  3. Step 3: Cross multiply
    340,193.36x = 469,437 × 189,298.64
  4. Step 4: Simplify right side
    340,193.36x = 88,863,785,665.68
  5. Step 5: Solve for x
    x = 88,863,785,665.68/340,193.36
  6. Step 6: Final answer
    x = 261,215.52

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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.