Home / 281,604.28-388,624.62-160,765.24

Finding the Fourth Proportional to 281,604.28, 388,624.62 and 160,765.24

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Solution

The fourth proportional to 281,604.28, 388,624.62 and 160,765.24 is: 221,862.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,604.28 : 388,624.62 = 160,765.24 : x
  2. Step 2: Convert to fraction form
    281,604.28/388,624.62 = 160,765.24/x
  3. Step 3: Cross multiply
    281,604.28x = 388,624.62 × 160,765.24
  4. Step 4: Simplify right side
    281,604.28x = 62,477,330,304.21
  5. Step 5: Solve for x
    x = 62,477,330,304.21/281,604.28
  6. Step 6: Final answer
    x = 221,862.15

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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.