Home / 281,576.33-388,603.20-160,735.77

Finding the Fourth Proportional to 281,576.33, 388,603.20 and 160,735.77

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Solution

The fourth proportional to 281,576.33, 388,603.20 and 160,735.77 is: 221,831.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,576.33 : 388,603.20 = 160,735.77 : x
  2. Step 2: Convert to fraction form
    281,576.33/388,603.20 = 160,735.77/x
  3. Step 3: Cross multiply
    281,576.33x = 388,603.20 × 160,735.77
  4. Step 4: Simplify right side
    281,576.33x = 62,462,434,576.46
  5. Step 5: Solve for x
    x = 62,462,434,576.46/281,576.33
  6. Step 6: Final answer
    x = 221,831.27

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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.