Home / 197,554.43-272,626.83-115,931.54

Finding the Fourth Proportional to 197,554.43, 272,626.83 and 115,931.54

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Solution

The fourth proportional to 197,554.43, 272,626.83 and 115,931.54 is: 159,986.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,554.43 : 272,626.83 = 115,931.54 : x
  2. Step 2: Convert to fraction form
    197,554.43/272,626.83 = 115,931.54/x
  3. Step 3: Cross multiply
    197,554.43x = 272,626.83 × 115,931.54
  4. Step 4: Simplify right side
    197,554.43x = 31,606,048,928.79
  5. Step 5: Solve for x
    x = 31,606,048,928.79/197,554.43
  6. Step 6: Final answer
    x = 159,986.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.