Home / 143,114.73-197,505.18-82,693.40

Finding the Fourth Proportional to 143,114.73, 197,505.18 and 82,693.40

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Solution

The fourth proportional to 143,114.73, 197,505.18 and 82,693.40 is: 114,120.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,114.73 : 197,505.18 = 82,693.40 : x
  2. Step 2: Convert to fraction form
    143,114.73/197,505.18 = 82,693.40/x
  3. Step 3: Cross multiply
    143,114.73x = 197,505.18 × 82,693.40
  4. Step 4: Simplify right side
    143,114.73x = 16,332,373,864.29
  5. Step 5: Solve for x
    x = 16,332,373,864.29/143,114.73
  6. Step 6: Final answer
    x = 114,120.84

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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.