Home / 197,085.48-271,977.54-107,661.48

Finding the Fourth Proportional to 197,085.48, 271,977.54 and 107,661.48

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Solution

The fourth proportional to 197,085.48, 271,977.54 and 107,661.48 is: 148,572.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,085.48 : 271,977.54 = 107,661.48 : x
  2. Step 2: Convert to fraction form
    197,085.48/271,977.54 = 107,661.48/x
  3. Step 3: Cross multiply
    197,085.48x = 271,977.54 × 107,661.48
  4. Step 4: Simplify right side
    197,085.48x = 29,281,504,483.16
  5. Step 5: Solve for x
    x = 29,281,504,483.16/197,085.48
  6. Step 6: Final answer
    x = 148,572.61

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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.