Home / 118,637.91-178,015.19-55,462.37

Finding the Fourth Proportional to 118,637.91, 178,015.19 and 55,462.37

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Solution

The fourth proportional to 118,637.91, 178,015.19 and 55,462.37 is: 83,220.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,637.91 : 178,015.19 = 55,462.37 : x
  2. Step 2: Convert to fraction form
    118,637.91/178,015.19 = 55,462.37/x
  3. Step 3: Cross multiply
    118,637.91x = 178,015.19 × 55,462.37
  4. Step 4: Simplify right side
    118,637.91x = 9,873,143,166.01
  5. Step 5: Solve for x
    x = 9,873,143,166.01/118,637.91
  6. Step 6: Final answer
    x = 83,220.81

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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.