Home / 131,504.30-181,333.22-83,696.48

Finding the Fourth Proportional to 131,504.30, 181,333.22 and 83,696.48

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Solution

The fourth proportional to 131,504.30, 181,333.22 and 83,696.48 is: 115,410.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,504.30 : 181,333.22 = 83,696.48 : x
  2. Step 2: Convert to fraction form
    131,504.30/181,333.22 = 83,696.48/x
  3. Step 3: Cross multiply
    131,504.30x = 181,333.22 × 83,696.48
  4. Step 4: Simplify right side
    131,504.30x = 15,176,952,221.07
  5. Step 5: Solve for x
    x = 15,176,952,221.07/131,504.30
  6. Step 6: Final answer
    x = 115,410.31

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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.