Home / 117,932.40-162,736.02-70,178.04

Finding the Fourth Proportional to 117,932.40, 162,736.02 and 70,178.04

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Solution

The fourth proportional to 117,932.40, 162,736.02 and 70,178.04 is: 96,839.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,932.40 : 162,736.02 = 70,178.04 : x
  2. Step 2: Convert to fraction form
    117,932.40/162,736.02 = 70,178.04/x
  3. Step 3: Cross multiply
    117,932.40x = 162,736.02 × 70,178.04
  4. Step 4: Simplify right side
    117,932.40x = 11,420,494,921.00
  5. Step 5: Solve for x
    x = 11,420,494,921.00/117,932.40
  6. Step 6: Final answer
    x = 96,839.33

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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.