Home / 151,828.22-227,880.53-80,810.48

Finding the Fourth Proportional to 151,828.22, 227,880.53 and 80,810.48

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Solution

The fourth proportional to 151,828.22, 227,880.53 and 80,810.48 is: 121,289.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,828.22 : 227,880.53 = 80,810.48 : x
  2. Step 2: Convert to fraction form
    151,828.22/227,880.53 = 80,810.48/x
  3. Step 3: Cross multiply
    151,828.22x = 227,880.53 × 80,810.48
  4. Step 4: Simplify right side
    151,828.22x = 18,415,133,468.50
  5. Step 5: Solve for x
    x = 18,415,133,468.50/151,828.22
  6. Step 6: Final answer
    x = 121,289.27

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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.