Home / 192,598.36-288,660.90-108,181.06

Finding the Fourth Proportional to 192,598.36, 288,660.90 and 108,181.06

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Solution

The fourth proportional to 192,598.36, 288,660.90 and 108,181.06 is: 162,138.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,598.36 : 288,660.90 = 108,181.06 : x
  2. Step 2: Convert to fraction form
    192,598.36/288,660.90 = 108,181.06/x
  3. Step 3: Cross multiply
    192,598.36x = 288,660.90 × 108,181.06
  4. Step 4: Simplify right side
    192,598.36x = 31,227,642,142.55
  5. Step 5: Solve for x
    x = 31,227,642,142.55/192,598.36
  6. Step 6: Final answer
    x = 162,138.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.