Home / 143,268.28-197,698.65-82,842.83

Finding the Fourth Proportional to 143,268.28, 197,698.65 and 82,842.83

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Solution

The fourth proportional to 143,268.28, 197,698.65 and 82,842.83 is: 114,316.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,268.28 : 197,698.65 = 82,842.83 : x
  2. Step 2: Convert to fraction form
    143,268.28/197,698.65 = 82,842.83/x
  3. Step 3: Cross multiply
    143,268.28x = 197,698.65 × 82,842.83
  4. Step 4: Simplify right side
    143,268.28x = 16,377,915,653.18
  5. Step 5: Solve for x
    x = 16,377,915,653.18/143,268.28
  6. Step 6: Final answer
    x = 114,316.41

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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.