Home / 340,870.44-470,403.54-189,977.16

Finding the Fourth Proportional to 340,870.44, 470,403.54 and 189,977.16

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Solution

The fourth proportional to 340,870.44, 470,403.54 and 189,977.16 is: 262,169.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,870.44 : 470,403.54 = 189,977.16 : x
  2. Step 2: Convert to fraction form
    340,870.44/470,403.54 = 189,977.16/x
  3. Step 3: Cross multiply
    340,870.44x = 470,403.54 × 189,977.16
  4. Step 4: Simplify right side
    340,870.44x = 89,365,928,583.15
  5. Step 5: Solve for x
    x = 89,365,928,583.15/340,870.44
  6. Step 6: Final answer
    x = 262,169.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.