Home / 304,464.07-420,161.19-168,507.37

Finding the Fourth Proportional to 304,464.07, 420,161.19 and 168,507.37

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Solution

The fourth proportional to 304,464.07, 420,161.19 and 168,507.37 is: 232,540.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,464.07 : 420,161.19 = 168,507.37 : x
  2. Step 2: Convert to fraction form
    304,464.07/420,161.19 = 168,507.37/x
  3. Step 3: Cross multiply
    304,464.07x = 420,161.19 × 168,507.37
  4. Step 4: Simplify right side
    304,464.07x = 70,800,257,102.97
  5. Step 5: Solve for x
    x = 70,800,257,102.97/304,464.07
  6. Step 6: Final answer
    x = 232,540.60

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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.