Home / 213,890.04-320,724.31-114,023.41

Finding the Fourth Proportional to 213,890.04, 320,724.31 and 114,023.41

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Solution

The fourth proportional to 213,890.04, 320,724.31 and 114,023.41 is: 170,976.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,890.04 : 320,724.31 = 114,023.41 : x
  2. Step 2: Convert to fraction form
    213,890.04/320,724.31 = 114,023.41/x
  3. Step 3: Cross multiply
    213,890.04x = 320,724.31 × 114,023.41
  4. Step 4: Simplify right side
    213,890.04x = 36,570,077,322.36
  5. Step 5: Solve for x
    x = 36,570,077,322.36/213,890.04
  6. Step 6: Final answer
    x = 170,976.07

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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.