Home / 156,183.28-215,533.04-84,563.35

Finding the Fourth Proportional to 156,183.28, 215,533.04 and 84,563.35

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Solution

The fourth proportional to 156,183.28, 215,533.04 and 84,563.35 is: 116,697.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,183.28 : 215,533.04 = 84,563.35 : x
  2. Step 2: Convert to fraction form
    156,183.28/215,533.04 = 84,563.35/x
  3. Step 3: Cross multiply
    156,183.28x = 215,533.04 × 84,563.35
  4. Step 4: Simplify right side
    156,183.28x = 18,226,194,936.43
  5. Step 5: Solve for x
    x = 18,226,194,936.43/156,183.28
  6. Step 6: Final answer
    x = 116,697.48

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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.