Home / 136,517.98-188,388.80-76,095.22

Finding the Fourth Proportional to 136,517.98, 188,388.80 and 76,095.22

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Solution

The fourth proportional to 136,517.98, 188,388.80 and 76,095.22 is: 105,008.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,517.98 : 188,388.80 = 76,095.22 : x
  2. Step 2: Convert to fraction form
    136,517.98/188,388.80 = 76,095.22/x
  3. Step 3: Cross multiply
    136,517.98x = 188,388.80 × 76,095.22
  4. Step 4: Simplify right side
    136,517.98x = 14,335,487,181.54
  5. Step 5: Solve for x
    x = 14,335,487,181.54/136,517.98
  6. Step 6: Final answer
    x = 105,008.05

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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.