Home / 340,191.36-469,434.24-189,296.64

Finding the Fourth Proportional to 340,191.36, 469,434.24 and 189,296.64

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Solution

The fourth proportional to 340,191.36, 469,434.24 and 189,296.64 is: 261,212.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,191.36 : 469,434.24 = 189,296.64 : x
  2. Step 2: Convert to fraction form
    340,191.36/469,434.24 = 189,296.64/x
  3. Step 3: Cross multiply
    340,191.36x = 469,434.24 × 189,296.64
  4. Step 4: Simplify right side
    340,191.36x = 88,862,324,332.95
  5. Step 5: Solve for x
    x = 88,862,324,332.95/340,191.36
  6. Step 6: Final answer
    x = 261,212.76

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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.