Home / 118,935.54-178,555.53-102,175.77

Finding the Fourth Proportional to 118,935.54, 178,555.53 and 102,175.77

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Solution

The fourth proportional to 118,935.54, 178,555.53 and 102,175.77 is: 153,394.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,935.54 : 178,555.53 = 102,175.77 : x
  2. Step 2: Convert to fraction form
    118,935.54/178,555.53 = 102,175.77/x
  3. Step 3: Cross multiply
    118,935.54x = 178,555.53 × 102,175.77
  4. Step 4: Simplify right side
    118,935.54x = 18,244,049,818.25
  5. Step 5: Solve for x
    x = 18,244,049,818.25/118,935.54
  6. Step 6: Final answer
    x = 153,394.43

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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.