Home / 199,610.10-298,551.15-178,701.30

Finding the Fourth Proportional to 199,610.10, 298,551.15 and 178,701.30

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Solution

The fourth proportional to 199,610.10, 298,551.15 and 178,701.30 is: 267,278.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,610.10 : 298,551.15 = 178,701.30 : x
  2. Step 2: Convert to fraction form
    199,610.10/298,551.15 = 178,701.30/x
  3. Step 3: Cross multiply
    199,610.10x = 298,551.15 × 178,701.30
  4. Step 4: Simplify right side
    199,610.10x = 53,351,478,621.50
  5. Step 5: Solve for x
    x = 53,351,478,621.50/199,610.10
  6. Step 6: Final answer
    x = 267,278.45

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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.