Home / 197,313.72-295,878.56-102,518.42

Finding the Fourth Proportional to 197,313.72, 295,878.56 and 102,518.42

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Solution

The fourth proportional to 197,313.72, 295,878.56 and 102,518.42 is: 153,729.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,313.72 : 295,878.56 = 102,518.42 : x
  2. Step 2: Convert to fraction form
    197,313.72/295,878.56 = 102,518.42/x
  3. Step 3: Cross multiply
    197,313.72x = 295,878.56 × 102,518.42
  4. Step 4: Simplify right side
    197,313.72x = 30,333,000,491.09
  5. Step 5: Solve for x
    x = 30,333,000,491.09/197,313.72
  6. Step 6: Final answer
    x = 153,729.81

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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.