Home / 119,180.21-178,770.15-30,433.77

Finding the Fourth Proportional to 119,180.21, 178,770.15 and 30,433.77

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Solution

The fourth proportional to 119,180.21, 178,770.15 and 30,433.77 is: 45,650.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,180.21 : 178,770.15 = 30,433.77 : x
  2. Step 2: Convert to fraction form
    119,180.21/178,770.15 = 30,433.77/x
  3. Step 3: Cross multiply
    119,180.21x = 178,770.15 × 30,433.77
  4. Step 4: Simplify right side
    119,180.21x = 5,440,649,627.97
  5. Step 5: Solve for x
    x = 5,440,649,627.97/119,180.21
  6. Step 6: Final answer
    x = 45,650.61

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1.5x scale

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.