Home / 238,808.35-329,558.25-136,831.75

Finding the Fourth Proportional to 238,808.35, 329,558.25 and 136,831.75

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Solution

The fourth proportional to 238,808.35, 329,558.25 and 136,831.75 is: 188,829.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,808.35 : 329,558.25 = 136,831.75 : x
  2. Step 2: Convert to fraction form
    238,808.35/329,558.25 = 136,831.75/x
  3. Step 3: Cross multiply
    238,808.35x = 329,558.25 × 136,831.75
  4. Step 4: Simplify right side
    238,808.35x = 45,094,032,074.44
  5. Step 5: Solve for x
    x = 45,094,032,074.44/238,808.35
  6. Step 6: Final answer
    x = 188,829.38

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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.