Home / 254,117.54-381,112.37-104,399.16

Finding the Fourth Proportional to 254,117.54, 381,112.37 and 104,399.16

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Solution

The fourth proportional to 254,117.54, 381,112.37 and 104,399.16 is: 156,572.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,117.54 : 381,112.37 = 104,399.16 : x
  2. Step 2: Convert to fraction form
    254,117.54/381,112.37 = 104,399.16/x
  3. Step 3: Cross multiply
    254,117.54x = 381,112.37 × 104,399.16
  4. Step 4: Simplify right side
    254,117.54x = 39,787,810,771.61
  5. Step 5: Solve for x
    x = 39,787,810,771.61/254,117.54
  6. Step 6: Final answer
    x = 156,572.47

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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.