Home / 340,230.36-469,536.30-189,330.60

Finding the Fourth Proportional to 340,230.36, 469,536.30 and 189,330.60

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Solution

The fourth proportional to 340,230.36, 469,536.30 and 189,330.60 is: 261,286.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,230.36 : 469,536.30 = 189,330.60 : x
  2. Step 2: Convert to fraction form
    340,230.36/469,536.30 = 189,330.60/x
  3. Step 3: Cross multiply
    340,230.36x = 469,536.30 × 189,330.60
  4. Step 4: Simplify right side
    340,230.36x = 88,897,589,400.78
  5. Step 5: Solve for x
    x = 88,897,589,400.78/340,230.36
  6. Step 6: Final answer
    x = 261,286.47

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1.5x scale

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.