Home / 156,505.35-215,980.32-96,045.73

Finding the Fourth Proportional to 156,505.35, 215,980.32 and 96,045.73

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Solution

The fourth proportional to 156,505.35, 215,980.32 and 96,045.73 is: 132,544.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,505.35 : 215,980.32 = 96,045.73 : x
  2. Step 2: Convert to fraction form
    156,505.35/215,980.32 = 96,045.73/x
  3. Step 3: Cross multiply
    156,505.35x = 215,980.32 × 96,045.73
  4. Step 4: Simplify right side
    156,505.35x = 20,743,987,500.03
  5. Step 5: Solve for x
    x = 20,743,987,500.03/156,505.35
  6. Step 6: Final answer
    x = 132,544.91

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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.