Home / 151,828.97-227,881.65-80,811.23

Finding the Fourth Proportional to 151,828.97, 227,881.65 and 80,811.23

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Solution

The fourth proportional to 151,828.97, 227,881.65 and 80,811.23 is: 121,290.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,828.97 : 227,881.65 = 80,811.23 : x
  2. Step 2: Convert to fraction form
    151,828.97/227,881.65 = 80,811.23/x
  3. Step 3: Cross multiply
    151,828.97x = 227,881.65 × 80,811.23
  4. Step 4: Simplify right side
    151,828.97x = 18,415,395,291.52
  5. Step 5: Solve for x
    x = 18,415,395,291.52/151,828.97
  6. Step 6: Final answer
    x = 121,290.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.