Home / 122,214.40-183,321.60-101,219.20

Finding the Fourth Proportional to 122,214.40, 183,321.60 and 101,219.20

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Solution

The fourth proportional to 122,214.40, 183,321.60 and 101,219.20 is: 151,828.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,214.40 : 183,321.60 = 101,219.20 : x
  2. Step 2: Convert to fraction form
    122,214.40/183,321.60 = 101,219.20/x
  3. Step 3: Cross multiply
    122,214.40x = 183,321.60 × 101,219.20
  4. Step 4: Simplify right side
    122,214.40x = 18,555,665,694.72
  5. Step 5: Solve for x
    x = 18,555,665,694.72/122,214.40
  6. Step 6: Final answer
    x = 151,828.80

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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.