Home / 143,093.40-197,454.26-82,683.50

Finding the Fourth Proportional to 143,093.40, 197,454.26 and 82,683.50

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Solution

The fourth proportional to 143,093.40, 197,454.26 and 82,683.50 is: 114,094.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,093.40 : 197,454.26 = 82,683.50 : x
  2. Step 2: Convert to fraction form
    143,093.40/197,454.26 = 82,683.50/x
  3. Step 3: Cross multiply
    143,093.40x = 197,454.26 × 82,683.50
  4. Step 4: Simplify right side
    143,093.40x = 16,326,209,171.73
  5. Step 5: Solve for x
    x = 16,326,209,171.73/143,093.40
  6. Step 6: Final answer
    x = 114,094.77

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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.