Home / 117,950.70-162,979.23-94,272.78

Finding the Fourth Proportional to 117,950.70, 162,979.23 and 94,272.78

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Solution

The fourth proportional to 117,950.70, 162,979.23 and 94,272.78 is: 130,262.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,950.70 : 162,979.23 = 94,272.78 : x
  2. Step 2: Convert to fraction form
    117,950.70/162,979.23 = 94,272.78/x
  3. Step 3: Cross multiply
    117,950.70x = 162,979.23 × 94,272.78
  4. Step 4: Simplify right side
    117,950.70x = 15,364,505,094.36
  5. Step 5: Solve for x
    x = 15,364,505,094.36/117,950.70
  6. Step 6: Final answer
    x = 130,262.09

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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.