Home / 156,173.53-215,519.61-84,553.60

Finding the Fourth Proportional to 156,173.53, 215,519.61 and 84,553.60

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Solution

The fourth proportional to 156,173.53, 215,519.61 and 84,553.60 is: 116,684.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,173.53 : 215,519.61 = 84,553.60 : x
  2. Step 2: Convert to fraction form
    156,173.53/215,519.61 = 84,553.60/x
  3. Step 3: Cross multiply
    156,173.53x = 215,519.61 × 84,553.60
  4. Step 4: Simplify right side
    156,173.53x = 18,222,958,896.10
  5. Step 5: Solve for x
    x = 18,222,958,896.10/156,173.53
  6. Step 6: Final answer
    x = 116,684.04

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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.