Home / 189,589.10-284,435.60-82,953.72

Finding the Fourth Proportional to 189,589.10, 284,435.60 and 82,953.72

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Solution

The fourth proportional to 189,589.10, 284,435.60 and 82,953.72 is: 124,453.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,589.10 : 284,435.60 = 82,953.72 : x
  2. Step 2: Convert to fraction form
    189,589.10/284,435.60 = 82,953.72/x
  3. Step 3: Cross multiply
    189,589.10x = 284,435.60 × 82,953.72
  4. Step 4: Simplify right side
    189,589.10x = 23,594,990,705.66
  5. Step 5: Solve for x
    x = 23,594,990,705.66/189,589.10
  6. Step 6: Final answer
    x = 124,453.31

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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.