Home / 151,078.32-226,515.24-84,564.36

Finding the Fourth Proportional to 151,078.32, 226,515.24 and 84,564.36

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Solution

The fourth proportional to 151,078.32, 226,515.24 and 84,564.36 is: 126,789.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,078.32 : 226,515.24 = 84,564.36 : x
  2. Step 2: Convert to fraction form
    151,078.32/226,515.24 = 84,564.36/x
  3. Step 3: Cross multiply
    151,078.32x = 226,515.24 × 84,564.36
  4. Step 4: Simplify right side
    151,078.32x = 19,155,116,300.85
  5. Step 5: Solve for x
    x = 19,155,116,300.85/151,078.32
  6. Step 6: Final answer
    x = 126,789.31

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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.