Home / 304,171.20-419,786.55-168,215.40

Finding the Fourth Proportional to 304,171.20, 419,786.55 and 168,215.40

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Solution

The fourth proportional to 304,171.20, 419,786.55 and 168,215.40 is: 232,154.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,171.20 : 419,786.55 = 168,215.40 : x
  2. Step 2: Convert to fraction form
    304,171.20/419,786.55 = 168,215.40/x
  3. Step 3: Cross multiply
    304,171.20x = 419,786.55 × 168,215.40
  4. Step 4: Simplify right side
    304,171.20x = 70,614,562,422.87
  5. Step 5: Solve for x
    x = 70,614,562,422.87/304,171.20
  6. Step 6: Final answer
    x = 232,154.01

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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.