Home / 197,267.12-271,908.75-154,170.50

Finding the Fourth Proportional to 197,267.12, 271,908.75 and 154,170.50

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Solution

The fourth proportional to 197,267.12, 271,908.75 and 154,170.50 is: 212,505.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,267.12 : 271,908.75 = 154,170.50 : x
  2. Step 2: Convert to fraction form
    197,267.12/271,908.75 = 154,170.50/x
  3. Step 3: Cross multiply
    197,267.12x = 271,908.75 × 154,170.50
  4. Step 4: Simplify right side
    197,267.12x = 41,920,307,941.88
  5. Step 5: Solve for x
    x = 41,920,307,941.88/197,267.12
  6. Step 6: Final answer
    x = 212,505.30

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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.