Home / 198,088.49-273,385.50-117,519.41

Finding the Fourth Proportional to 198,088.49, 273,385.50 and 117,519.41

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Solution

The fourth proportional to 198,088.49, 273,385.50 and 117,519.41 is: 162,190.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,088.49 : 273,385.50 = 117,519.41 : x
  2. Step 2: Convert to fraction form
    198,088.49/273,385.50 = 117,519.41/x
  3. Step 3: Cross multiply
    198,088.49x = 273,385.50 × 117,519.41
  4. Step 4: Simplify right side
    198,088.49x = 32,128,102,905.32
  5. Step 5: Solve for x
    x = 32,128,102,905.32/198,088.49
  6. Step 6: Final answer
    x = 162,190.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.