Home / 193,238.16-289,922.16-74,913.36

Finding the Fourth Proportional to 193,238.16, 289,922.16 and 74,913.36

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Solution

The fourth proportional to 193,238.16, 289,922.16 and 74,913.36 is: 112,395.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,238.16 : 289,922.16 = 74,913.36 : x
  2. Step 2: Convert to fraction form
    193,238.16/289,922.16 = 74,913.36/x
  3. Step 3: Cross multiply
    193,238.16x = 289,922.16 × 74,913.36
  4. Step 4: Simplify right side
    193,238.16x = 21,719,043,144.06
  5. Step 5: Solve for x
    x = 21,719,043,144.06/193,238.16
  6. Step 6: Final answer
    x = 112,395.21

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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.