Home / 139,933.41-209,932.91-46,439.16

Finding the Fourth Proportional to 139,933.41, 209,932.91 and 46,439.16

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Solution

The fourth proportional to 139,933.41, 209,932.91 and 46,439.16 is: 69,669.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,933.41 : 209,932.91 = 46,439.16 : x
  2. Step 2: Convert to fraction form
    139,933.41/209,932.91 = 46,439.16/x
  3. Step 3: Cross multiply
    139,933.41x = 209,932.91 × 46,439.16
  4. Step 4: Simplify right side
    139,933.41x = 9,749,107,412.68
  5. Step 5: Solve for x
    x = 9,749,107,412.68/139,933.41
  6. Step 6: Final answer
    x = 69,669.62

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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.