Home / 261,743.90-361,208.31-148,568.54

Finding the Fourth Proportional to 261,743.90, 361,208.31 and 148,568.54

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Solution

The fourth proportional to 261,743.90, 361,208.31 and 148,568.54 is: 205,025.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,743.90 : 361,208.31 = 148,568.54 : x
  2. Step 2: Convert to fraction form
    261,743.90/361,208.31 = 148,568.54/x
  3. Step 3: Cross multiply
    261,743.90x = 361,208.31 × 148,568.54
  4. Step 4: Simplify right side
    261,743.90x = 53,664,191,252.57
  5. Step 5: Solve for x
    x = 53,664,191,252.57/261,743.90
  6. Step 6: Final answer
    x = 205,025.57

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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.