Home / 198,752.24-274,216.74-121,244.27

Finding the Fourth Proportional to 198,752.24, 274,216.74 and 121,244.27

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Solution

The fourth proportional to 198,752.24, 274,216.74 and 121,244.27 is: 167,279.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,752.24 : 274,216.74 = 121,244.27 : x
  2. Step 2: Convert to fraction form
    198,752.24/274,216.74 = 121,244.27/x
  3. Step 3: Cross multiply
    198,752.24x = 274,216.74 × 121,244.27
  4. Step 4: Simplify right side
    198,752.24x = 33,247,208,463.08
  5. Step 5: Solve for x
    x = 33,247,208,463.08/198,752.24
  6. Step 6: Final answer
    x = 167,279.67

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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.