Home / 143,258.76-197,699.40-82,843.02

Finding the Fourth Proportional to 143,258.76, 197,699.40 and 82,843.02

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Solution

The fourth proportional to 143,258.76, 197,699.40 and 82,843.02 is: 114,324.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,258.76 : 197,699.40 = 82,843.02 : x
  2. Step 2: Convert to fraction form
    143,258.76/197,699.40 = 82,843.02/x
  3. Step 3: Cross multiply
    143,258.76x = 197,699.40 × 82,843.02
  4. Step 4: Simplify right side
    143,258.76x = 16,378,015,348.19
  5. Step 5: Solve for x
    x = 16,378,015,348.19/143,258.76
  6. Step 6: Final answer
    x = 114,324.70

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1.5x scale

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.