Home / 197,815.37-272,977.29-116,132.54

Finding the Fourth Proportional to 197,815.37, 272,977.29 and 116,132.54

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Solution

The fourth proportional to 197,815.37, 272,977.29 and 116,132.54 is: 160,258.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,815.37 : 272,977.29 = 116,132.54 : x
  2. Step 2: Convert to fraction form
    197,815.37/272,977.29 = 116,132.54/x
  3. Step 3: Cross multiply
    197,815.37x = 272,977.29 × 116,132.54
  4. Step 4: Simplify right side
    197,815.37x = 31,701,544,685.13
  5. Step 5: Solve for x
    x = 31,701,544,685.13/197,815.37
  6. Step 6: Final answer
    x = 160,258.25

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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.