Home / 118,981.74-178,392.77-46,868.72

Finding the Fourth Proportional to 118,981.74, 178,392.77 and 46,868.72

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Solution

The fourth proportional to 118,981.74, 178,392.77 and 46,868.72 is: 70,271.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,981.74 : 178,392.77 = 46,868.72 : x
  2. Step 2: Convert to fraction form
    118,981.74/178,392.77 = 46,868.72/x
  3. Step 3: Cross multiply
    118,981.74x = 178,392.77 × 46,868.72
  4. Step 4: Simplify right side
    118,981.74x = 8,361,040,787.15
  5. Step 5: Solve for x
    x = 8,361,040,787.15/118,981.74
  6. Step 6: Final answer
    x = 70,271.63

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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.