Home / 155,133.16-232,896.66-131,907.22

Finding the Fourth Proportional to 155,133.16, 232,896.66 and 131,907.22

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Solution

The fourth proportional to 155,133.16, 232,896.66 and 131,907.22 is: 198,028.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,133.16 : 232,896.66 = 131,907.22 : x
  2. Step 2: Convert to fraction form
    155,133.16/232,896.66 = 131,907.22/x
  3. Step 3: Cross multiply
    155,133.16x = 232,896.66 × 131,907.22
  4. Step 4: Simplify right side
    155,133.16x = 30,720,750,967.89
  5. Step 5: Solve for x
    x = 30,720,750,967.89/155,133.16
  6. Step 6: Final answer
    x = 198,028.27

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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.