Home / 154,826.26-213,662.73-86,858.36

Finding the Fourth Proportional to 154,826.26, 213,662.73 and 86,858.36

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Solution

The fourth proportional to 154,826.26, 213,662.73 and 86,858.36 is: 119,865.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,826.26 : 213,662.73 = 86,858.36 : x
  2. Step 2: Convert to fraction form
    154,826.26/213,662.73 = 86,858.36/x
  3. Step 3: Cross multiply
    154,826.26x = 213,662.73 × 86,858.36
  4. Step 4: Simplify right side
    154,826.26x = 18,558,394,320.92
  5. Step 5: Solve for x
    x = 18,558,394,320.92/154,826.26
  6. Step 6: Final answer
    x = 119,865.93

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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.