Home / 236,218.78-354,363.86-76,241.25

Finding the Fourth Proportional to 236,218.78, 354,363.86 and 76,241.25

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Solution

The fourth proportional to 236,218.78, 354,363.86 and 76,241.25 is: 114,373.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,218.78 : 354,363.86 = 76,241.25 : x
  2. Step 2: Convert to fraction form
    236,218.78/354,363.86 = 76,241.25/x
  3. Step 3: Cross multiply
    236,218.78x = 354,363.86 × 76,241.25
  4. Step 4: Simplify right side
    236,218.78x = 27,017,143,831.83
  5. Step 5: Solve for x
    x = 27,017,143,831.83/236,218.78
  6. Step 6: Final answer
    x = 114,373.39

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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.