Home / 281,759.40-388,977.66-191,596.68

Finding the Fourth Proportional to 281,759.40, 388,977.66 and 191,596.68

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Solution

The fourth proportional to 281,759.40, 388,977.66 and 191,596.68 is: 264,505.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,759.40 : 388,977.66 = 191,596.68 : x
  2. Step 2: Convert to fraction form
    281,759.40/388,977.66 = 191,596.68/x
  3. Step 3: Cross multiply
    281,759.40x = 388,977.66 × 191,596.68
  4. Step 4: Simplify right side
    281,759.40x = 74,526,828,250.17
  5. Step 5: Solve for x
    x = 74,526,828,250.17/281,759.40
  6. Step 6: Final answer
    x = 264,505.21

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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.