Home / 156,296.52-234,438.23-66,314.54

Finding the Fourth Proportional to 156,296.52, 234,438.23 and 66,314.54

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Solution

The fourth proportional to 156,296.52, 234,438.23 and 66,314.54 is: 99,469.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,296.52 : 234,438.23 = 66,314.54 : x
  2. Step 2: Convert to fraction form
    156,296.52/234,438.23 = 66,314.54/x
  3. Step 3: Cross multiply
    156,296.52x = 234,438.23 × 66,314.54
  4. Step 4: Simplify right side
    156,296.52x = 15,546,661,877.10
  5. Step 5: Solve for x
    x = 15,546,661,877.10/156,296.52
  6. Step 6: Final answer
    x = 99,469.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.