Home / 185,447.23-255,917.31-100,564.27

Finding the Fourth Proportional to 185,447.23, 255,917.31 and 100,564.27

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Solution

The fourth proportional to 185,447.23, 255,917.31 and 100,564.27 is: 138,778.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,447.23 : 255,917.31 = 100,564.27 : x
  2. Step 2: Convert to fraction form
    185,447.23/255,917.31 = 100,564.27/x
  3. Step 3: Cross multiply
    185,447.23x = 255,917.31 × 100,564.27
  4. Step 4: Simplify right side
    185,447.23x = 25,736,137,460.51
  5. Step 5: Solve for x
    x = 25,736,137,460.51/185,447.23
  6. Step 6: Final answer
    x = 138,778.76

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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.