Home / 137,851.07-206,790.84-38,011.28

Finding the Fourth Proportional to 137,851.07, 206,790.84 and 38,011.28

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Solution

The fourth proportional to 137,851.07, 206,790.84 and 38,011.28 is: 57,020.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,851.07 : 206,790.84 = 38,011.28 : x
  2. Step 2: Convert to fraction form
    137,851.07/206,790.84 = 38,011.28/x
  3. Step 3: Cross multiply
    137,851.07x = 206,790.84 × 38,011.28
  4. Step 4: Simplify right side
    137,851.07x = 7,860,383,486.72
  5. Step 5: Solve for x
    x = 7,860,383,486.72/137,851.07
  6. Step 6: Final answer
    x = 57,020.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.