Home / 140,975.84-194,518.41-80,566.31

Finding the Fourth Proportional to 140,975.84, 194,518.41 and 80,566.31

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Solution

The fourth proportional to 140,975.84, 194,518.41 and 80,566.31 is: 111,165.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,975.84 : 194,518.41 = 80,566.31 : x
  2. Step 2: Convert to fraction form
    140,975.84/194,518.41 = 80,566.31/x
  3. Step 3: Cross multiply
    140,975.84x = 194,518.41 × 80,566.31
  4. Step 4: Simplify right side
    140,975.84x = 15,671,630,520.77
  5. Step 5: Solve for x
    x = 15,671,630,520.77/140,975.84
  6. Step 6: Final answer
    x = 111,165.36

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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.