Home / 118,745.36-178,129.70-34,506.24

Finding the Fourth Proportional to 118,745.36, 178,129.70 and 34,506.24

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Solution

The fourth proportional to 118,745.36, 178,129.70 and 34,506.24 is: 51,762.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,745.36 : 178,129.70 = 34,506.24 : x
  2. Step 2: Convert to fraction form
    118,745.36/178,129.70 = 34,506.24/x
  3. Step 3: Cross multiply
    118,745.36x = 178,129.70 × 34,506.24
  4. Step 4: Simplify right side
    118,745.36x = 6,146,586,006.80
  5. Step 5: Solve for x
    x = 6,146,586,006.80/118,745.36
  6. Step 6: Final answer
    x = 51,762.75

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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.