Home / 112,012.10-167,908.80-100,202.30

Finding the Fourth Proportional to 112,012.10, 167,908.80 and 100,202.30

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Solution

The fourth proportional to 112,012.10, 167,908.80 and 100,202.30 is: 150,205.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,012.10 : 167,908.80 = 100,202.30 : x
  2. Step 2: Convert to fraction form
    112,012.10/167,908.80 = 100,202.30/x
  3. Step 3: Cross multiply
    112,012.10x = 167,908.80 × 100,202.30
  4. Step 4: Simplify right side
    112,012.10x = 16,824,847,950.24
  5. Step 5: Solve for x
    x = 16,824,847,950.24/112,012.10
  6. Step 6: Final answer
    x = 150,205.63

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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.