Home / 140,172.24-193,462.76-83,587.26

Finding the Fourth Proportional to 140,172.24, 193,462.76 and 83,587.26

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Solution

The fourth proportional to 140,172.24, 193,462.76 and 83,587.26 is: 115,365.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,172.24 : 193,462.76 = 83,587.26 : x
  2. Step 2: Convert to fraction form
    140,172.24/193,462.76 = 83,587.26/x
  3. Step 3: Cross multiply
    140,172.24x = 193,462.76 × 83,587.26
  4. Step 4: Simplify right side
    140,172.24x = 16,171,022,020.44
  5. Step 5: Solve for x
    x = 16,171,022,020.44/140,172.24
  6. Step 6: Final answer
    x = 115,365.37

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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.