Home / 155,390.14-233,085.21-102,787.32

Finding the Fourth Proportional to 155,390.14, 233,085.21 and 102,787.32

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Solution

The fourth proportional to 155,390.14, 233,085.21 and 102,787.32 is: 154,180.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,390.14 : 233,085.21 = 102,787.32 : x
  2. Step 2: Convert to fraction form
    155,390.14/233,085.21 = 102,787.32/x
  3. Step 3: Cross multiply
    155,390.14x = 233,085.21 × 102,787.32
  4. Step 4: Simplify right side
    155,390.14x = 23,958,204,067.54
  5. Step 5: Solve for x
    x = 23,958,204,067.54/155,390.14
  6. Step 6: Final answer
    x = 154,180.98

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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.