Home / 304,770.25-457,118.97-80,148.19

Finding the Fourth Proportional to 304,770.25, 457,118.97 and 80,148.19

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Solution

The fourth proportional to 304,770.25, 457,118.97 and 80,148.19 is: 120,212.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,770.25 : 457,118.97 = 80,148.19 : x
  2. Step 2: Convert to fraction form
    304,770.25/457,118.97 = 80,148.19/x
  3. Step 3: Cross multiply
    304,770.25x = 457,118.97 × 80,148.19
  4. Step 4: Simplify right side
    304,770.25x = 36,637,258,060.16
  5. Step 5: Solve for x
    x = 36,637,258,060.16/304,770.25
  6. Step 6: Final answer
    x = 120,212.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.