Home / 118,745.61-178,116.58-47,686.33

Finding the Fourth Proportional to 118,745.61, 178,116.58 and 47,686.33

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Solution

The fourth proportional to 118,745.61, 178,116.58 and 47,686.33 is: 71,528.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,745.61 : 178,116.58 = 47,686.33 : x
  2. Step 2: Convert to fraction form
    118,745.61/178,116.58 = 47,686.33/x
  3. Step 3: Cross multiply
    118,745.61x = 178,116.58 × 47,686.33
  4. Step 4: Simplify right side
    118,745.61x = 8,493,726,012.35
  5. Step 5: Solve for x
    x = 8,493,726,012.35/118,745.61
  6. Step 6: Final answer
    x = 71,528.76

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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.