Home / 281,621.16-388,622.34-160,757.64

Finding the Fourth Proportional to 281,621.16, 388,622.34 and 160,757.64

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Solution

The fourth proportional to 281,621.16, 388,622.34 and 160,757.64 is: 221,837.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,621.16 : 388,622.34 = 160,757.64 : x
  2. Step 2: Convert to fraction form
    281,621.16/388,622.34 = 160,757.64/x
  3. Step 3: Cross multiply
    281,621.16x = 388,622.34 × 160,757.64
  4. Step 4: Simplify right side
    281,621.16x = 62,474,010,229.68
  5. Step 5: Solve for x
    x = 62,474,010,229.68/281,621.16
  6. Step 6: Final answer
    x = 221,837.06

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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.