Home / 122,023.17-168,305.18-111,984.03

Finding the Fourth Proportional to 122,023.17, 168,305.18 and 111,984.03

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Solution

The fourth proportional to 122,023.17, 168,305.18 and 111,984.03 is: 154,458.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,023.17 : 168,305.18 = 111,984.03 : x
  2. Step 2: Convert to fraction form
    122,023.17/168,305.18 = 111,984.03/x
  3. Step 3: Cross multiply
    122,023.17x = 168,305.18 × 111,984.03
  4. Step 4: Simplify right side
    122,023.17x = 18,847,491,766.36
  5. Step 5: Solve for x
    x = 18,847,491,766.36/122,023.17
  6. Step 6: Final answer
    x = 154,458.30

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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.