Home / 185,512.41-278,040.60-85,533.84

Finding the Fourth Proportional to 185,512.41, 278,040.60 and 85,533.84

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Solution

The fourth proportional to 185,512.41, 278,040.60 and 85,533.84 is: 128,195.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,512.41 : 278,040.60 = 85,533.84 : x
  2. Step 2: Convert to fraction form
    185,512.41/278,040.60 = 85,533.84/x
  3. Step 3: Cross multiply
    185,512.41x = 278,040.60 × 85,533.84
  4. Step 4: Simplify right side
    185,512.41x = 23,781,880,193.90
  5. Step 5: Solve for x
    x = 23,781,880,193.90/185,512.41
  6. Step 6: Final answer
    x = 128,195.63

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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.