Home / 194,246.56-291,288.30-81,977.32

Finding the Fourth Proportional to 194,246.56, 291,288.30 and 81,977.32

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Solution

The fourth proportional to 194,246.56, 291,288.30 and 81,977.32 is: 122,931.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,246.56 : 291,288.30 = 81,977.32 : x
  2. Step 2: Convert to fraction form
    194,246.56/291,288.30 = 81,977.32/x
  3. Step 3: Cross multiply
    194,246.56x = 291,288.30 × 81,977.32
  4. Step 4: Simplify right side
    194,246.56x = 23,879,034,181.36
  5. Step 5: Solve for x
    x = 23,879,034,181.36/194,246.56
  6. Step 6: Final answer
    x = 122,931.57

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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.