Home / 117,936.80-176,905.20-113,271.20

Finding the Fourth Proportional to 117,936.80, 176,905.20 and 113,271.20

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Solution

The fourth proportional to 117,936.80, 176,905.20 and 113,271.20 is: 169,906.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,936.80 : 176,905.20 = 113,271.20 : x
  2. Step 2: Convert to fraction form
    117,936.80/176,905.20 = 113,271.20/x
  3. Step 3: Cross multiply
    117,936.80x = 176,905.20 × 113,271.20
  4. Step 4: Simplify right side
    117,936.80x = 20,038,264,290.24
  5. Step 5: Solve for x
    x = 20,038,264,290.24/117,936.80
  6. Step 6: Final answer
    x = 169,906.80

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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.