Home / 261,846.61-361,348.75-148,669.36

Finding the Fourth Proportional to 261,846.61, 361,348.75 and 148,669.36

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Solution

The fourth proportional to 261,846.61, 361,348.75 and 148,669.36 is: 205,163.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,846.61 : 361,348.75 = 148,669.36 : x
  2. Step 2: Convert to fraction form
    261,846.61/361,348.75 = 148,669.36/x
  3. Step 3: Cross multiply
    261,846.61x = 361,348.75 × 148,669.36
  4. Step 4: Simplify right side
    261,846.61x = 53,721,485,845.50
  5. Step 5: Solve for x
    x = 53,721,485,845.50/261,846.61
  6. Step 6: Final answer
    x = 205,163.96

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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.