Home / 239,419.55-358,242.23-191,890.48

Finding the Fourth Proportional to 239,419.55, 358,242.23 and 191,890.48

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Solution

The fourth proportional to 239,419.55, 358,242.23 and 191,890.48 is: 287,124.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,419.55 : 358,242.23 = 191,890.48 : x
  2. Step 2: Convert to fraction form
    239,419.55/358,242.23 = 191,890.48/x
  3. Step 3: Cross multiply
    239,419.55x = 358,242.23 × 191,890.48
  4. Step 4: Simplify right side
    239,419.55x = 68,743,273,470.97
  5. Step 5: Solve for x
    x = 68,743,273,470.97/239,419.55
  6. Step 6: Final answer
    x = 287,124.73

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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.