Home / 143,181.44-197,584.95-79,523.34

Finding the Fourth Proportional to 143,181.44, 197,584.95 and 79,523.34

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Solution

The fourth proportional to 143,181.44, 197,584.95 and 79,523.34 is: 109,739.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,181.44 : 197,584.95 = 79,523.34 : x
  2. Step 2: Convert to fraction form
    143,181.44/197,584.95 = 79,523.34/x
  3. Step 3: Cross multiply
    143,181.44x = 197,584.95 × 79,523.34
  4. Step 4: Simplify right side
    143,181.44x = 15,712,614,715.00
  5. Step 5: Solve for x
    x = 15,712,614,715.00/143,181.44
  6. Step 6: Final answer
    x = 109,739.19

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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.