Home / 156,246.40-215,620.38-84,626.44

Finding the Fourth Proportional to 156,246.40, 215,620.38 and 84,626.44

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Solution

The fourth proportional to 156,246.40, 215,620.38 and 84,626.44 is: 116,784.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,246.40 : 215,620.38 = 84,626.44 : x
  2. Step 2: Convert to fraction form
    156,246.40/215,620.38 = 84,626.44/x
  3. Step 3: Cross multiply
    156,246.40x = 215,620.38 × 84,626.44
  4. Step 4: Simplify right side
    156,246.40x = 18,247,184,611.80
  5. Step 5: Solve for x
    x = 18,247,184,611.80/156,246.40
  6. Step 6: Final answer
    x = 116,784.67

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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.