Home / 340,324.50-469,647.81-189,418.26

Finding the Fourth Proportional to 340,324.50, 469,647.81 and 189,418.26

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Solution

The fourth proportional to 340,324.50, 469,647.81 and 189,418.26 is: 261,397.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,324.50 : 469,647.81 = 189,418.26 : x
  2. Step 2: Convert to fraction form
    340,324.50/469,647.81 = 189,418.26/x
  3. Step 3: Cross multiply
    340,324.50x = 469,647.81 × 189,418.26
  4. Step 4: Simplify right side
    340,324.50x = 88,959,870,983.01
  5. Step 5: Solve for x
    x = 88,959,870,983.01/340,324.50
  6. Step 6: Final answer
    x = 261,397.20

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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.