Home / 156,324.85-215,729.06-84,704.86

Finding the Fourth Proportional to 156,324.85, 215,729.06 and 84,704.86

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Solution

The fourth proportional to 156,324.85, 215,729.06 and 84,704.86 is: 116,893.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,324.85 : 215,729.06 = 84,704.86 : x
  2. Step 2: Convert to fraction form
    156,324.85/215,729.06 = 84,704.86/x
  3. Step 3: Cross multiply
    156,324.85x = 215,729.06 × 84,704.86
  4. Step 4: Simplify right side
    156,324.85x = 18,273,299,825.23
  5. Step 5: Solve for x
    x = 18,273,299,825.23/156,324.85
  6. Step 6: Final answer
    x = 116,893.12

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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.