Home / 118,076.20-176,999.10-105,634.60

Finding the Fourth Proportional to 118,076.20, 176,999.10 and 105,634.60

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Solution

The fourth proportional to 118,076.20, 176,999.10 and 105,634.60 is: 158,348.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,076.20 : 176,999.10 = 105,634.60 : x
  2. Step 2: Convert to fraction form
    118,076.20/176,999.10 = 105,634.60/x
  3. Step 3: Cross multiply
    118,076.20x = 176,999.10 × 105,634.60
  4. Step 4: Simplify right side
    118,076.20x = 18,697,229,128.86
  5. Step 5: Solve for x
    x = 18,697,229,128.86/118,076.20
  6. Step 6: Final answer
    x = 158,348.84

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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.