Home / 193,182.03-289,748.43-74,772.36

Finding the Fourth Proportional to 193,182.03, 289,748.43 and 74,772.36

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Solution

The fourth proportional to 193,182.03, 289,748.43 and 74,772.36 is: 112,149.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,182.03 : 289,748.43 = 74,772.36 : x
  2. Step 2: Convert to fraction form
    193,182.03/289,748.43 = 74,772.36/x
  3. Step 3: Cross multiply
    193,182.03x = 289,748.43 × 74,772.36
  4. Step 4: Simplify right side
    193,182.03x = 21,665,173,917.39
  5. Step 5: Solve for x
    x = 21,665,173,917.39/193,182.03
  6. Step 6: Final answer
    x = 112,149.01

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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.