Home / 165,380.10-228,205.53-93,745.86

Finding the Fourth Proportional to 165,380.10, 228,205.53 and 93,745.86

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Solution

The fourth proportional to 165,380.10, 228,205.53 and 93,745.86 is: 129,358.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,380.10 : 228,205.53 = 93,745.86 : x
  2. Step 2: Convert to fraction form
    165,380.10/228,205.53 = 93,745.86/x
  3. Step 3: Cross multiply
    165,380.10x = 228,205.53 × 93,745.86
  4. Step 4: Simplify right side
    165,380.10x = 21,393,323,666.61
  5. Step 5: Solve for x
    x = 21,393,323,666.61/165,380.10
  6. Step 6: Final answer
    x = 129,358.51

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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.