Home / 118,760.78-178,152.82-34,521.59

Finding the Fourth Proportional to 118,760.78, 178,152.82 and 34,521.59

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Solution

The fourth proportional to 118,760.78, 178,152.82 and 34,521.59 is: 51,785.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,760.78 : 178,152.82 = 34,521.59 : x
  2. Step 2: Convert to fraction form
    118,760.78/178,152.82 = 34,521.59/x
  3. Step 3: Cross multiply
    118,760.78x = 178,152.82 × 34,521.59
  4. Step 4: Simplify right side
    118,760.78x = 6,150,118,968.46
  5. Step 5: Solve for x
    x = 6,150,118,968.46/118,760.78
  6. Step 6: Final answer
    x = 51,785.77

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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.