Home / 179,320.60-268,883.70-74,020.60

Finding the Fourth Proportional to 179,320.60, 268,883.70 and 74,020.60

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Solution

The fourth proportional to 179,320.60, 268,883.70 and 74,020.60 is: 110,990.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,320.60 : 268,883.70 = 74,020.60 : x
  2. Step 2: Convert to fraction form
    179,320.60/268,883.70 = 74,020.60/x
  3. Step 3: Cross multiply
    179,320.60x = 268,883.70 × 74,020.60
  4. Step 4: Simplify right side
    179,320.60x = 19,902,932,804.22
  5. Step 5: Solve for x
    x = 19,902,932,804.22/179,320.60
  6. Step 6: Final answer
    x = 110,990.78

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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.