Home / 148,596.36-221,724.29-139,555.86

Finding the Fourth Proportional to 148,596.36, 221,724.29 and 139,555.86

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Solution

The fourth proportional to 148,596.36, 221,724.29 and 139,555.86 is: 208,234.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,596.36 : 221,724.29 = 139,555.86 : x
  2. Step 2: Convert to fraction form
    148,596.36/221,724.29 = 139,555.86/x
  3. Step 3: Cross multiply
    148,596.36x = 221,724.29 × 139,555.86
  4. Step 4: Simplify right side
    148,596.36x = 30,942,923,276.06
  5. Step 5: Solve for x
    x = 30,942,923,276.06/148,596.36
  6. Step 6: Final answer
    x = 208,234.73

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.