Home / 281,212.44-388,083.48-160,334.28

Finding the Fourth Proportional to 281,212.44, 388,083.48 and 160,334.28

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Solution

The fourth proportional to 281,212.44, 388,083.48 and 160,334.28 is: 221,267.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,212.44 : 388,083.48 = 160,334.28 : x
  2. Step 2: Convert to fraction form
    281,212.44/388,083.48 = 160,334.28/x
  3. Step 3: Cross multiply
    281,212.44x = 388,083.48 × 160,334.28
  4. Step 4: Simplify right side
    281,212.44x = 62,223,085,345.69
  5. Step 5: Solve for x
    x = 62,223,085,345.69/281,212.44
  6. Step 6: Final answer
    x = 221,267.19

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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.