Home / 174,065.87-261,112.64-74,226.93

Finding the Fourth Proportional to 174,065.87, 261,112.64 and 74,226.93

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Solution

The fourth proportional to 174,065.87, 261,112.64 and 74,226.93 is: 111,346.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,065.87 : 261,112.64 = 74,226.93 : x
  2. Step 2: Convert to fraction form
    174,065.87/261,112.64 = 74,226.93/x
  3. Step 3: Cross multiply
    174,065.87x = 261,112.64 × 74,226.93
  4. Step 4: Simplify right side
    174,065.87x = 19,381,589,651.40
  5. Step 5: Solve for x
    x = 19,381,589,651.40/174,065.87
  6. Step 6: Final answer
    x = 111,346.29

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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.