Home / 173,896.20-261,161.10-103,912.20

Finding the Fourth Proportional to 173,896.20, 261,161.10 and 103,912.20

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Solution

The fourth proportional to 173,896.20, 261,161.10 and 103,912.20 is: 156,057.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,896.20 : 261,161.10 = 103,912.20 : x
  2. Step 2: Convert to fraction form
    173,896.20/261,161.10 = 103,912.20/x
  3. Step 3: Cross multiply
    173,896.20x = 261,161.10 × 103,912.20
  4. Step 4: Simplify right side
    173,896.20x = 27,137,824,455.42
  5. Step 5: Solve for x
    x = 27,137,824,455.42/173,896.20
  6. Step 6: Final answer
    x = 156,057.60

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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.