Home / 156,180.24-215,529.12-84,561.12

Finding the Fourth Proportional to 156,180.24, 215,529.12 and 84,561.12

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Solution

The fourth proportional to 156,180.24, 215,529.12 and 84,561.12 is: 116,694.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,180.24 : 215,529.12 = 84,561.12 : x
  2. Step 2: Convert to fraction form
    156,180.24/215,529.12 = 84,561.12/x
  3. Step 3: Cross multiply
    156,180.24x = 215,529.12 × 84,561.12
  4. Step 4: Simplify right side
    156,180.24x = 18,225,383,779.81
  5. Step 5: Solve for x
    x = 18,225,383,779.81/156,180.24
  6. Step 6: Final answer
    x = 116,694.56

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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.