Home / 190,584.54-262,970.24-108,938.65

Finding the Fourth Proportional to 190,584.54, 262,970.24 and 108,938.65

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Solution

The fourth proportional to 190,584.54, 262,970.24 and 108,938.65 is: 150,314.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,584.54 : 262,970.24 = 108,938.65 : x
  2. Step 2: Convert to fraction form
    190,584.54/262,970.24 = 108,938.65/x
  3. Step 3: Cross multiply
    190,584.54x = 262,970.24 × 108,938.65
  4. Step 4: Simplify right side
    190,584.54x = 28,647,623,612.76
  5. Step 5: Solve for x
    x = 28,647,623,612.76/190,584.54
  6. Step 6: Final answer
    x = 150,314.52

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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.