Home / 281,137.86-388,032.53-194,045.24

Finding the Fourth Proportional to 281,137.86, 388,032.53 and 194,045.24

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Solution

The fourth proportional to 281,137.86, 388,032.53 and 194,045.24 is: 267,825.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,137.86 : 388,032.53 = 194,045.24 : x
  2. Step 2: Convert to fraction form
    281,137.86/388,032.53 = 194,045.24/x
  3. Step 3: Cross multiply
    281,137.86x = 388,032.53 × 194,045.24
  4. Step 4: Simplify right side
    281,137.86x = 75,295,865,411.51
  5. Step 5: Solve for x
    x = 75,295,865,411.51/281,137.86
  6. Step 6: Final answer
    x = 267,825.42

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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.