Home / 133,131.16-183,738.36-75,759.31

Finding the Fourth Proportional to 133,131.16, 183,738.36 and 75,759.31

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Solution

The fourth proportional to 133,131.16, 183,738.36 and 75,759.31 is: 104,557.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,131.16 : 183,738.36 = 75,759.31 : x
  2. Step 2: Convert to fraction form
    133,131.16/183,738.36 = 75,759.31/x
  3. Step 3: Cross multiply
    133,131.16x = 183,738.36 × 75,759.31
  4. Step 4: Simplify right side
    133,131.16x = 13,919,892,039.75
  5. Step 5: Solve for x
    x = 13,919,892,039.75/133,131.16
  6. Step 6: Final answer
    x = 104,557.73

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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.