Home / 208,986.94-288,490.23-141,095.84

Finding the Fourth Proportional to 208,986.94, 288,490.23 and 141,095.84

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Solution

The fourth proportional to 208,986.94, 288,490.23 and 141,095.84 is: 194,771.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,986.94 : 288,490.23 = 141,095.84 : x
  2. Step 2: Convert to fraction form
    208,986.94/288,490.23 = 141,095.84/x
  3. Step 3: Cross multiply
    208,986.94x = 288,490.23 × 141,095.84
  4. Step 4: Simplify right side
    208,986.94x = 40,704,770,628.16
  5. Step 5: Solve for x
    x = 40,704,770,628.16/208,986.94
  6. Step 6: Final answer
    x = 194,771.84

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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.