Home / 118,745.15-178,117.73-29,998.91

Finding the Fourth Proportional to 118,745.15, 178,117.73 and 29,998.91

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Solution

The fourth proportional to 118,745.15, 178,117.73 and 29,998.91 is: 44,998.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,745.15 : 178,117.73 = 29,998.91 : x
  2. Step 2: Convert to fraction form
    118,745.15/178,117.73 = 29,998.91/x
  3. Step 3: Cross multiply
    118,745.15x = 178,117.73 × 29,998.91
  4. Step 4: Simplify right side
    118,745.15x = 5,343,337,601.68
  5. Step 5: Solve for x
    x = 5,343,337,601.68/118,745.15
  6. Step 6: Final answer
    x = 44,998.37

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1.5x scale

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.