Home / 199,124.20-298,686.30-194,458.60

Finding the Fourth Proportional to 199,124.20, 298,686.30 and 194,458.60

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Solution

The fourth proportional to 199,124.20, 298,686.30 and 194,458.60 is: 291,687.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,124.20 : 298,686.30 = 194,458.60 : x
  2. Step 2: Convert to fraction form
    199,124.20/298,686.30 = 194,458.60/x
  3. Step 3: Cross multiply
    199,124.20x = 298,686.30 × 194,458.60
  4. Step 4: Simplify right side
    199,124.20x = 58,082,119,737.18
  5. Step 5: Solve for x
    x = 58,082,119,737.18/199,124.20
  6. Step 6: Final answer
    x = 291,687.90

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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.