Home / 269,780.60-372,292.74-148,918.76

Finding the Fourth Proportional to 269,780.60, 372,292.74 and 148,918.76

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Solution

The fourth proportional to 269,780.60, 372,292.74 and 148,918.76 is: 205,505.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,780.60 : 372,292.74 = 148,918.76 : x
  2. Step 2: Convert to fraction form
    269,780.60/372,292.74 = 148,918.76/x
  3. Step 3: Cross multiply
    269,780.60x = 372,292.74 × 148,918.76
  4. Step 4: Simplify right side
    269,780.60x = 55,441,371,336.34
  5. Step 5: Solve for x
    x = 55,441,371,336.34/269,780.60
  6. Step 6: Final answer
    x = 205,505.41

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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.