Home / 122,132.40-183,198.60-101,137.20

Finding the Fourth Proportional to 122,132.40, 183,198.60 and 101,137.20

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Solution

The fourth proportional to 122,132.40, 183,198.60 and 101,137.20 is: 151,705.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,132.40 : 183,198.60 = 101,137.20 : x
  2. Step 2: Convert to fraction form
    122,132.40/183,198.60 = 101,137.20/x
  3. Step 3: Cross multiply
    122,132.40x = 183,198.60 × 101,137.20
  4. Step 4: Simplify right side
    122,132.40x = 18,528,193,447.92
  5. Step 5: Solve for x
    x = 18,528,193,447.92/122,132.40
  6. Step 6: Final answer
    x = 151,705.80

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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.