Home / 122,266.44-168,762.96-79,244.46

Finding the Fourth Proportional to 122,266.44, 168,762.96 and 79,244.46

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Solution

The fourth proportional to 122,266.44, 168,762.96 and 79,244.46 is: 109,380.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,266.44 : 168,762.96 = 79,244.46 : x
  2. Step 2: Convert to fraction form
    122,266.44/168,762.96 = 79,244.46/x
  3. Step 3: Cross multiply
    122,266.44x = 168,762.96 × 79,244.46
  4. Step 4: Simplify right side
    122,266.44x = 13,373,529,633.20
  5. Step 5: Solve for x
    x = 13,373,529,633.20/122,266.44
  6. Step 6: Final answer
    x = 109,380.22

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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.