Home / 294,940.89-442,131.03-188,024.78

Finding the Fourth Proportional to 294,940.89, 442,131.03 and 188,024.78

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Solution

The fourth proportional to 294,940.89, 442,131.03 and 188,024.78 is: 281,858.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,940.89 : 442,131.03 = 188,024.78 : x
  2. Step 2: Convert to fraction form
    294,940.89/442,131.03 = 188,024.78/x
  3. Step 3: Cross multiply
    294,940.89x = 442,131.03 × 188,024.78
  4. Step 4: Simplify right side
    294,940.89x = 83,131,587,643.52
  5. Step 5: Solve for x
    x = 83,131,587,643.52/294,940.89
  6. Step 6: Final answer
    x = 281,858.47

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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.