Home / 196,838.75-294,814.21-91,435.91

Finding the Fourth Proportional to 196,838.75, 294,814.21 and 91,435.91

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Solution

The fourth proportional to 196,838.75, 294,814.21 and 91,435.91 is: 136,947.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,838.75 : 294,814.21 = 91,435.91 : x
  2. Step 2: Convert to fraction form
    196,838.75/294,814.21 = 91,435.91/x
  3. Step 3: Cross multiply
    196,838.75x = 294,814.21 × 91,435.91
  4. Step 4: Simplify right side
    196,838.75x = 26,956,603,869.62
  5. Step 5: Solve for x
    x = 26,956,603,869.62/196,838.75
  6. Step 6: Final answer
    x = 136,947.65

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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.