Home / 261,910.48-361,441.56-148,733.68

Finding the Fourth Proportional to 261,910.48, 361,441.56 and 148,733.68

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Solution

The fourth proportional to 261,910.48, 361,441.56 and 148,733.68 is: 205,255.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,910.48 : 361,441.56 = 148,733.68 : x
  2. Step 2: Convert to fraction form
    261,910.48/361,441.56 = 148,733.68/x
  3. Step 3: Cross multiply
    261,910.48x = 361,441.56 × 148,733.68
  4. Step 4: Simplify right side
    261,910.48x = 53,758,533,323.74
  5. Step 5: Solve for x
    x = 53,758,533,323.74/261,910.48
  6. Step 6: Final answer
    x = 205,255.37

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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.