Home / 189,612.08-284,434.44-49,370.96

Finding the Fourth Proportional to 189,612.08, 284,434.44 and 49,370.96

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Solution

The fourth proportional to 189,612.08, 284,434.44 and 49,370.96 is: 74,060.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,612.08 : 284,434.44 = 49,370.96 : x
  2. Step 2: Convert to fraction form
    189,612.08/284,434.44 = 49,370.96/x
  3. Step 3: Cross multiply
    189,612.08x = 284,434.44 × 49,370.96
  4. Step 4: Simplify right side
    189,612.08x = 14,042,801,359.86
  5. Step 5: Solve for x
    x = 14,042,801,359.86/189,612.08
  6. Step 6: Final answer
    x = 74,060.69

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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.