Home / 140,586.87-194,009.67-76,924.65

Finding the Fourth Proportional to 140,586.87, 194,009.67 and 76,924.65

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Solution

The fourth proportional to 140,586.87, 194,009.67 and 76,924.65 is: 106,155.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,586.87 : 194,009.67 = 76,924.65 : x
  2. Step 2: Convert to fraction form
    140,586.87/194,009.67 = 76,924.65/x
  3. Step 3: Cross multiply
    140,586.87x = 194,009.67 × 76,924.65
  4. Step 4: Simplify right side
    140,586.87x = 14,924,125,961.37
  5. Step 5: Solve for x
    x = 14,924,125,961.37/140,586.87
  6. Step 6: Final answer
    x = 106,155.90

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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.