Home / 142,788.24-196,984.46-82,344.42

Finding the Fourth Proportional to 142,788.24, 196,984.46 and 82,344.42

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Solution

The fourth proportional to 142,788.24, 196,984.46 and 82,344.42 is: 113,598.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,788.24 : 196,984.46 = 82,344.42 : x
  2. Step 2: Convert to fraction form
    142,788.24/196,984.46 = 82,344.42/x
  3. Step 3: Cross multiply
    142,788.24x = 196,984.46 × 82,344.42
  4. Step 4: Simplify right side
    142,788.24x = 16,220,570,695.99
  5. Step 5: Solve for x
    x = 16,220,570,695.99/142,788.24
  6. Step 6: Final answer
    x = 113,598.79

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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.