Home / 197,031.05-271,852.79-120,522.20

Finding the Fourth Proportional to 197,031.05, 271,852.79 and 120,522.20

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Solution

The fourth proportional to 197,031.05, 271,852.79 and 120,522.20 is: 166,290.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,031.05 : 271,852.79 = 120,522.20 : x
  2. Step 2: Convert to fraction form
    197,031.05/271,852.79 = 120,522.20/x
  3. Step 3: Cross multiply
    197,031.05x = 271,852.79 × 120,522.20
  4. Step 4: Simplify right side
    197,031.05x = 32,764,295,268.98
  5. Step 5: Solve for x
    x = 32,764,295,268.98/197,031.05
  6. Step 6: Final answer
    x = 166,290.01

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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.