Home / 142,679.16-196,852.77-82,241.64

Finding the Fourth Proportional to 142,679.16, 196,852.77 and 82,241.64

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Solution

The fourth proportional to 142,679.16, 196,852.77 and 82,241.64 is: 113,467.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,679.16 : 196,852.77 = 82,241.64 : x
  2. Step 2: Convert to fraction form
    142,679.16/196,852.77 = 82,241.64/x
  3. Step 3: Cross multiply
    142,679.16x = 196,852.77 × 82,241.64
  4. Step 4: Simplify right side
    142,679.16x = 16,189,494,643.34
  5. Step 5: Solve for x
    x = 16,189,494,643.34/142,679.16
  6. Step 6: Final answer
    x = 113,467.83

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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.