Home / 199,643.10-298,600.65-178,734.30

Finding the Fourth Proportional to 199,643.10, 298,600.65 and 178,734.30

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Solution

The fourth proportional to 199,643.10, 298,600.65 and 178,734.30 is: 267,327.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,643.10 : 298,600.65 = 178,734.30 : x
  2. Step 2: Convert to fraction form
    199,643.10/298,600.65 = 178,734.30/x
  3. Step 3: Cross multiply
    199,643.10x = 298,600.65 × 178,734.30
  4. Step 4: Simplify right side
    199,643.10x = 53,370,178,157.30
  5. Step 5: Solve for x
    x = 53,370,178,157.30/199,643.10
  6. Step 6: Final answer
    x = 267,327.94

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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.