Home / 122,230.20-183,345.30-52,116.60

Finding the Fourth Proportional to 122,230.20, 183,345.30 and 52,116.60

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Solution

The fourth proportional to 122,230.20, 183,345.30 and 52,116.60 is: 78,174.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,230.20 : 183,345.30 = 52,116.60 : x
  2. Step 2: Convert to fraction form
    122,230.20/183,345.30 = 52,116.60/x
  3. Step 3: Cross multiply
    122,230.20x = 183,345.30 × 52,116.60
  4. Step 4: Simplify right side
    122,230.20x = 9,555,333,661.98
  5. Step 5: Solve for x
    x = 9,555,333,661.98/122,230.20
  6. Step 6: Final answer
    x = 78,174.90

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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.