Home / 140,795.16-194,311.26-80,374.88

Finding the Fourth Proportional to 140,795.16, 194,311.26 and 80,374.88

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Solution

The fourth proportional to 140,795.16, 194,311.26 and 80,374.88 is: 110,925.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,795.16 : 194,311.26 = 80,374.88 : x
  2. Step 2: Convert to fraction form
    140,795.16/194,311.26 = 80,374.88/x
  3. Step 3: Cross multiply
    140,795.16x = 194,311.26 × 80,374.88
  4. Step 4: Simplify right side
    140,795.16x = 15,617,744,205.15
  5. Step 5: Solve for x
    x = 15,617,744,205.15/140,795.16
  6. Step 6: Final answer
    x = 110,925.29

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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.