Home / 341,919.38-471,858.18-188,967.49

Finding the Fourth Proportional to 341,919.38, 471,858.18 and 188,967.49

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Solution

The fourth proportional to 341,919.38, 471,858.18 and 188,967.49 is: 260,780.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,919.38 : 471,858.18 = 188,967.49 : x
  2. Step 2: Convert to fraction form
    341,919.38/471,858.18 = 188,967.49/x
  3. Step 3: Cross multiply
    341,919.38x = 471,858.18 × 188,967.49
  4. Step 4: Simplify right side
    341,919.38x = 89,165,854,022.29
  5. Step 5: Solve for x
    x = 89,165,854,022.29/341,919.38
  6. Step 6: Final answer
    x = 260,780.34

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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.