Home / 199,025.10-274,654.80-114,145.20

Finding the Fourth Proportional to 199,025.10, 274,654.80 and 114,145.20

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Solution

The fourth proportional to 199,025.10, 274,654.80 and 114,145.20 is: 157,520.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,025.10 : 274,654.80 = 114,145.20 : x
  2. Step 2: Convert to fraction form
    199,025.10/274,654.80 = 114,145.20/x
  3. Step 3: Cross multiply
    199,025.10x = 274,654.80 × 114,145.20
  4. Step 4: Simplify right side
    199,025.10x = 31,350,527,076.96
  5. Step 5: Solve for x
    x = 31,350,527,076.96/199,025.10
  6. Step 6: Final answer
    x = 157,520.47

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1.5x scale

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.