Home / 122,884.20-183,980.70-110,442.60

Finding the Fourth Proportional to 122,884.20, 183,980.70 and 110,442.60

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Solution

The fourth proportional to 122,884.20, 183,980.70 and 110,442.60 is: 165,353.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,884.20 : 183,980.70 = 110,442.60 : x
  2. Step 2: Convert to fraction form
    122,884.20/183,980.70 = 110,442.60/x
  3. Step 3: Cross multiply
    122,884.20x = 183,980.70 × 110,442.60
  4. Step 4: Simplify right side
    122,884.20x = 20,319,306,857.82
  5. Step 5: Solve for x
    x = 20,319,306,857.82/122,884.20
  6. Step 6: Final answer
    x = 165,353.29

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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.