Home / 140,647.36-194,093.97-76,116.61

Finding the Fourth Proportional to 140,647.36, 194,093.97 and 76,116.61

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Solution

The fourth proportional to 140,647.36, 194,093.97 and 76,116.61 is: 105,041.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,647.36 : 194,093.97 = 76,116.61 : x
  2. Step 2: Convert to fraction form
    140,647.36/194,093.97 = 76,116.61/x
  3. Step 3: Cross multiply
    140,647.36x = 194,093.97 × 76,116.61
  4. Step 4: Simplify right side
    140,647.36x = 14,773,774,532.61
  5. Step 5: Solve for x
    x = 14,773,774,532.61/140,647.36
  6. Step 6: Final answer
    x = 105,041.25

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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.