Home / 197,219.64-272,147.94-116,640.84

Finding the Fourth Proportional to 197,219.64, 272,147.94 and 116,640.84

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Solution

The fourth proportional to 197,219.64, 272,147.94 and 116,640.84 is: 160,955.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,219.64 : 272,147.94 = 116,640.84 : x
  2. Step 2: Convert to fraction form
    197,219.64/272,147.94 = 116,640.84/x
  3. Step 3: Cross multiply
    197,219.64x = 272,147.94 × 116,640.84
  4. Step 4: Simplify right side
    197,219.64x = 31,743,564,325.87
  5. Step 5: Solve for x
    x = 31,743,564,325.87/197,219.64
  6. Step 6: Final answer
    x = 160,955.39

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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.