Home / 195,051.86-292,662.31-68,782.33

Finding the Fourth Proportional to 195,051.86, 292,662.31 and 68,782.33

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Solution

The fourth proportional to 195,051.86, 292,662.31 and 68,782.33 is: 103,203.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,051.86 : 292,662.31 = 68,782.33 : x
  2. Step 2: Convert to fraction form
    195,051.86/292,662.31 = 68,782.33/x
  3. Step 3: Cross multiply
    195,051.86x = 292,662.31 × 68,782.33
  4. Step 4: Simplify right side
    195,051.86x = 20,129,994,261.60
  5. Step 5: Solve for x
    x = 20,129,994,261.60/195,051.86
  6. Step 6: Final answer
    x = 103,203.29

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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.