Home / 118,954.92-178,432.64-40,124.52

Finding the Fourth Proportional to 118,954.92, 178,432.64 and 40,124.52

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Solution

The fourth proportional to 118,954.92, 178,432.64 and 40,124.52 is: 60,186.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,954.92 : 178,432.64 = 40,124.52 : x
  2. Step 2: Convert to fraction form
    118,954.92/178,432.64 = 40,124.52/x
  3. Step 3: Cross multiply
    118,954.92x = 178,432.64 × 40,124.52
  4. Step 4: Simplify right side
    118,954.92x = 7,159,524,032.33
  5. Step 5: Solve for x
    x = 7,159,524,032.33/118,954.92
  6. Step 6: Final answer
    x = 60,186.87

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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.