Home / 304,152.09-419,590.40-196,756.71

Finding the Fourth Proportional to 304,152.09, 419,590.40 and 196,756.71

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Solution

The fourth proportional to 304,152.09, 419,590.40 and 196,756.71 is: 271,434.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,152.09 : 419,590.40 = 196,756.71 : x
  2. Step 2: Convert to fraction form
    304,152.09/419,590.40 = 196,756.71/x
  3. Step 3: Cross multiply
    304,152.09x = 419,590.40 × 196,756.71
  4. Step 4: Simplify right side
    304,152.09x = 82,557,225,667.80
  5. Step 5: Solve for x
    x = 82,557,225,667.80/304,152.09
  6. Step 6: Final answer
    x = 271,434.02

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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.