Home / 143,191.66-197,594.49-82,714.90

Finding the Fourth Proportional to 143,191.66, 197,594.49 and 82,714.90

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Solution

The fourth proportional to 143,191.66, 197,594.49 and 82,714.90 is: 114,140.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,191.66 : 197,594.49 = 82,714.90 : x
  2. Step 2: Convert to fraction form
    143,191.66/197,594.49 = 82,714.90/x
  3. Step 3: Cross multiply
    143,191.66x = 197,594.49 × 82,714.90
  4. Step 4: Simplify right side
    143,191.66x = 16,344,008,480.90
  5. Step 5: Solve for x
    x = 16,344,008,480.90/143,191.66
  6. Step 6: Final answer
    x = 114,140.79

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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.