Home / 120,358.56-180,517.32-36,095.88

Finding the Fourth Proportional to 120,358.56, 180,517.32 and 36,095.88

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Solution

The fourth proportional to 120,358.56, 180,517.32 and 36,095.88 is: 54,137.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,358.56 : 180,517.32 = 36,095.88 : x
  2. Step 2: Convert to fraction form
    120,358.56/180,517.32 = 36,095.88/x
  3. Step 3: Cross multiply
    120,358.56x = 180,517.32 × 36,095.88
  4. Step 4: Simplify right side
    120,358.56x = 6,515,931,520.64
  5. Step 5: Solve for x
    x = 6,515,931,520.64/120,358.56
  6. Step 6: Final answer
    x = 54,137.67

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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.