Home / 143,098.33-197,484.87-82,671.52

Finding the Fourth Proportional to 143,098.33, 197,484.87 and 82,671.52

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Solution

The fourth proportional to 143,098.33, 197,484.87 and 82,671.52 is: 114,092.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,098.33 : 197,484.87 = 82,671.52 : x
  2. Step 2: Convert to fraction form
    143,098.33/197,484.87 = 82,671.52/x
  3. Step 3: Cross multiply
    143,098.33x = 197,484.87 × 82,671.52
  4. Step 4: Simplify right side
    143,098.33x = 16,326,374,379.90
  5. Step 5: Solve for x
    x = 16,326,374,379.90/143,098.33
  6. Step 6: Final answer
    x = 114,092.00

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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.