Home / 188,731.97-260,365.47-127,458.26

Finding the Fourth Proportional to 188,731.97, 260,365.47 and 127,458.26

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Solution

The fourth proportional to 188,731.97, 260,365.47 and 127,458.26 is: 175,835.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,731.97 : 260,365.47 = 127,458.26 : x
  2. Step 2: Convert to fraction form
    188,731.97/260,365.47 = 127,458.26/x
  3. Step 3: Cross multiply
    188,731.97x = 260,365.47 × 127,458.26
  4. Step 4: Simplify right side
    188,731.97x = 33,185,729,683.81
  5. Step 5: Solve for x
    x = 33,185,729,683.81/188,731.97
  6. Step 6: Final answer
    x = 175,835.23

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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.