Home / 156,178.44-215,525.88-84,558.38

Finding the Fourth Proportional to 156,178.44, 215,525.88 and 84,558.38

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Solution

The fourth proportional to 156,178.44, 215,525.88 and 84,558.38 is: 116,690.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,178.44 : 215,525.88 = 84,558.38 : x
  2. Step 2: Convert to fraction form
    156,178.44/215,525.88 = 84,558.38/x
  3. Step 3: Cross multiply
    156,178.44x = 215,525.88 × 84,558.38
  4. Step 4: Simplify right side
    156,178.44x = 18,224,518,183.25
  5. Step 5: Solve for x
    x = 18,224,518,183.25/156,178.44
  6. Step 6: Final answer
    x = 116,690.36

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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.