Home / 197,021.94-295,479.06-70,638.69

Finding the Fourth Proportional to 197,021.94, 295,479.06 and 70,638.69

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Solution

The fourth proportional to 197,021.94, 295,479.06 and 70,638.69 is: 105,938.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,021.94 : 295,479.06 = 70,638.69 : x
  2. Step 2: Convert to fraction form
    197,021.94/295,479.06 = 70,638.69/x
  3. Step 3: Cross multiply
    197,021.94x = 295,479.06 × 70,638.69
  4. Step 4: Simplify right side
    197,021.94x = 20,872,253,720.83
  5. Step 5: Solve for x
    x = 20,872,253,720.83/197,021.94
  6. Step 6: Final answer
    x = 105,938.73

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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.