Home / 235,380.06-324,851.68-139,885.92

Finding the Fourth Proportional to 235,380.06, 324,851.68 and 139,885.92

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Solution

The fourth proportional to 235,380.06, 324,851.68 and 139,885.92 is: 193,058.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,380.06 : 324,851.68 = 139,885.92 : x
  2. Step 2: Convert to fraction form
    235,380.06/324,851.68 = 139,885.92/x
  3. Step 3: Cross multiply
    235,380.06x = 324,851.68 × 139,885.92
  4. Step 4: Simplify right side
    235,380.06x = 45,442,176,120.35
  5. Step 5: Solve for x
    x = 45,442,176,120.35/235,380.06
  6. Step 6: Final answer
    x = 193,058.73

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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.