Home / 304,320.24-419,913.72-196,894.80

Finding the Fourth Proportional to 304,320.24, 419,913.72 and 196,894.80

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Solution

The fourth proportional to 304,320.24, 419,913.72 and 196,894.80 is: 271,683.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,320.24 : 419,913.72 = 196,894.80 : x
  2. Step 2: Convert to fraction form
    304,320.24/419,913.72 = 196,894.80/x
  3. Step 3: Cross multiply
    304,320.24x = 419,913.72 × 196,894.80
  4. Step 4: Simplify right side
    304,320.24x = 82,678,827,916.66
  5. Step 5: Solve for x
    x = 82,678,827,916.66/304,320.24
  6. Step 6: Final answer
    x = 271,683.63

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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.