Home / 208,982.57-288,484.23-141,091.50

Finding the Fourth Proportional to 208,982.57, 288,484.23 and 141,091.50

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Solution

The fourth proportional to 208,982.57, 288,484.23 and 141,091.50 is: 194,765.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,982.57 : 288,484.23 = 141,091.50 : x
  2. Step 2: Convert to fraction form
    208,982.57/288,484.23 = 141,091.50/x
  3. Step 3: Cross multiply
    208,982.57x = 288,484.23 × 141,091.50
  4. Step 4: Simplify right side
    208,982.57x = 40,702,672,737.05
  5. Step 5: Solve for x
    x = 40,702,672,737.05/208,982.57
  6. Step 6: Final answer
    x = 194,765.88

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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.