Home / 238,831.37-329,587.85-131,408.33

Finding the Fourth Proportional to 238,831.37, 329,587.85 and 131,408.33

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Solution

The fourth proportional to 238,831.37, 329,587.85 and 131,408.33 is: 181,343.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,831.37 : 329,587.85 = 131,408.33 : x
  2. Step 2: Convert to fraction form
    238,831.37/329,587.85 = 131,408.33/x
  3. Step 3: Cross multiply
    238,831.37x = 329,587.85 × 131,408.33
  4. Step 4: Simplify right side
    238,831.37x = 43,310,587,082.99
  5. Step 5: Solve for x
    x = 43,310,587,082.99/238,831.37
  6. Step 6: Final answer
    x = 181,343.79

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1.5x scale

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.