Home / 122,163.40-183,245.10-101,168.20

Finding the Fourth Proportional to 122,163.40, 183,245.10 and 101,168.20

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Solution

The fourth proportional to 122,163.40, 183,245.10 and 101,168.20 is: 151,752.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,163.40 : 183,245.10 = 101,168.20 : x
  2. Step 2: Convert to fraction form
    122,163.40/183,245.10 = 101,168.20/x
  3. Step 3: Cross multiply
    122,163.40x = 183,245.10 × 101,168.20
  4. Step 4: Simplify right side
    122,163.40x = 18,538,576,925.82
  5. Step 5: Solve for x
    x = 18,538,576,925.82/122,163.40
  6. Step 6: Final answer
    x = 151,752.30

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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.