Home / 203,946.91-304,423.32-188,917.09

Finding the Fourth Proportional to 203,946.91, 304,423.32 and 188,917.09

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Solution

The fourth proportional to 203,946.91, 304,423.32 and 188,917.09 is: 281,988.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,946.91 : 304,423.32 = 188,917.09 : x
  2. Step 2: Convert to fraction form
    203,946.91/304,423.32 = 188,917.09/x
  3. Step 3: Cross multiply
    203,946.91x = 304,423.32 × 188,917.09
  4. Step 4: Simplify right side
    203,946.91x = 57,510,766,797.95
  5. Step 5: Solve for x
    x = 57,510,766,797.95/203,946.91
  6. Step 6: Final answer
    x = 281,988.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.