Home / 118,908.45-178,440.08-51,506.37

Finding the Fourth Proportional to 118,908.45, 178,440.08 and 51,506.37

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Solution

The fourth proportional to 118,908.45, 178,440.08 and 51,506.37 is: 77,293.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,908.45 : 178,440.08 = 51,506.37 : x
  2. Step 2: Convert to fraction form
    118,908.45/178,440.08 = 51,506.37/x
  3. Step 3: Cross multiply
    118,908.45x = 178,440.08 × 51,506.37
  4. Step 4: Simplify right side
    118,908.45x = 9,190,800,525.78
  5. Step 5: Solve for x
    x = 9,190,800,525.78/118,908.45
  6. Step 6: Final answer
    x = 77,293.08

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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.