Home / 193,792.60-290,732.10-75,453.40

Finding the Fourth Proportional to 193,792.60, 290,732.10 and 75,453.40

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Solution

The fourth proportional to 193,792.60, 290,732.10 and 75,453.40 is: 113,196.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,792.60 : 290,732.10 = 75,453.40 : x
  2. Step 2: Convert to fraction form
    193,792.60/290,732.10 = 75,453.40/x
  3. Step 3: Cross multiply
    193,792.60x = 290,732.10 × 75,453.40
  4. Step 4: Simplify right side
    193,792.60x = 21,936,725,434.14
  5. Step 5: Solve for x
    x = 21,936,725,434.14/193,792.60
  6. Step 6: Final answer
    x = 113,196.92

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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.