Home / 194,789.20-292,183.80-76,464.40

Finding the Fourth Proportional to 194,789.20, 292,183.80 and 76,464.40

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Solution

The fourth proportional to 194,789.20, 292,183.80 and 76,464.40 is: 114,696.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,789.20 : 292,183.80 = 76,464.40 : x
  2. Step 2: Convert to fraction form
    194,789.20/292,183.80 = 76,464.40/x
  3. Step 3: Cross multiply
    194,789.20x = 292,183.80 × 76,464.40
  4. Step 4: Simplify right side
    194,789.20x = 22,341,658,956.72
  5. Step 5: Solve for x
    x = 22,341,658,956.72/194,789.20
  6. Step 6: Final answer
    x = 114,696.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.