Home / 300,711.30-414,981.95-162,890.51

Finding the Fourth Proportional to 300,711.30, 414,981.95 and 162,890.51

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Solution

The fourth proportional to 300,711.30, 414,981.95 and 162,890.51 is: 224,789.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,711.30 : 414,981.95 = 162,890.51 : x
  2. Step 2: Convert to fraction form
    300,711.30/414,981.95 = 162,890.51/x
  3. Step 3: Cross multiply
    300,711.30x = 414,981.95 × 162,890.51
  4. Step 4: Simplify right side
    300,711.30x = 67,596,618,586.93
  5. Step 5: Solve for x
    x = 67,596,618,586.93/300,711.30
  6. Step 6: Final answer
    x = 224,789.09

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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.