Home / 165,804.13-248,754.63-53,481.86

Finding the Fourth Proportional to 165,804.13, 248,754.63 and 53,481.86

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Solution

The fourth proportional to 165,804.13, 248,754.63 and 53,481.86 is: 80,238.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,804.13 : 248,754.63 = 53,481.86 : x
  2. Step 2: Convert to fraction form
    165,804.13/248,754.63 = 53,481.86/x
  3. Step 3: Cross multiply
    165,804.13x = 248,754.63 × 53,481.86
  4. Step 4: Simplify right side
    165,804.13x = 13,303,859,760.61
  5. Step 5: Solve for x
    x = 13,303,859,760.61/165,804.13
  6. Step 6: Final answer
    x = 80,238.41

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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.