Home / 156,324.68-215,728.25-84,704.69

Finding the Fourth Proportional to 156,324.68, 215,728.25 and 84,704.69

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Solution

The fourth proportional to 156,324.68, 215,728.25 and 84,704.69 is: 116,892.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,324.68 : 215,728.25 = 84,704.69 : x
  2. Step 2: Convert to fraction form
    156,324.68/215,728.25 = 84,704.69/x
  3. Step 3: Cross multiply
    156,324.68x = 215,728.25 × 84,704.69
  4. Step 4: Simplify right side
    156,324.68x = 18,273,193,038.33
  5. Step 5: Solve for x
    x = 18,273,193,038.33/156,324.68
  6. Step 6: Final answer
    x = 116,892.57

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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.