Home / 371,686.08-556,151.30-222,007.80

Finding the Fourth Proportional to 371,686.08, 556,151.30 and 222,007.80

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Solution

The fourth proportional to 371,686.08, 556,151.30 and 222,007.80 is: 332,188.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,686.08 : 556,151.30 = 222,007.80 : x
  2. Step 2: Convert to fraction form
    371,686.08/556,151.30 = 222,007.80/x
  3. Step 3: Cross multiply
    371,686.08x = 556,151.30 × 222,007.80
  4. Step 4: Simplify right side
    371,686.08x = 123,469,926,580.14
  5. Step 5: Solve for x
    x = 123,469,926,580.14/371,686.08
  6. Step 6: Final answer
    x = 332,188.73

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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.