Home / 106,257.36-159,405.48-43,932.72

Finding the Fourth Proportional to 106,257.36, 159,405.48 and 43,932.72

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Solution

The fourth proportional to 106,257.36, 159,405.48 and 43,932.72 is: 65,907.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,257.36 : 159,405.48 = 43,932.72 : x
  2. Step 2: Convert to fraction form
    106,257.36/159,405.48 = 43,932.72/x
  3. Step 3: Cross multiply
    106,257.36x = 159,405.48 × 43,932.72
  4. Step 4: Simplify right side
    106,257.36x = 7,003,116,319.31
  5. Step 5: Solve for x
    x = 7,003,116,319.31/106,257.36
  6. Step 6: Final answer
    x = 65,907.12

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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.