Home / 199,235.34-298,899.73-79,299.55

Finding the Fourth Proportional to 199,235.34, 298,899.73 and 79,299.55

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Solution

The fourth proportional to 199,235.34, 298,899.73 and 79,299.55 is: 118,967.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,235.34 : 298,899.73 = 79,299.55 : x
  2. Step 2: Convert to fraction form
    199,235.34/298,899.73 = 79,299.55/x
  3. Step 3: Cross multiply
    199,235.34x = 298,899.73 × 79,299.55
  4. Step 4: Simplify right side
    199,235.34x = 23,702,614,084.12
  5. Step 5: Solve for x
    x = 23,702,614,084.12/199,235.34
  6. Step 6: Final answer
    x = 118,967.92

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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.