Home / 156,240.53-215,611.87-84,620.56

Finding the Fourth Proportional to 156,240.53, 215,611.87 and 84,620.56

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Solution

The fourth proportional to 156,240.53, 215,611.87 and 84,620.56 is: 116,776.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,240.53 : 215,611.87 = 84,620.56 : x
  2. Step 2: Convert to fraction form
    156,240.53/215,611.87 = 84,620.56/x
  3. Step 3: Cross multiply
    156,240.53x = 215,611.87 × 84,620.56
  4. Step 4: Simplify right side
    156,240.53x = 18,245,197,182.05
  5. Step 5: Solve for x
    x = 18,245,197,182.05/156,240.53
  6. Step 6: Final answer
    x = 116,776.34

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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.