Home / 188,610.12-282,717.54-76,370.04

Finding the Fourth Proportional to 188,610.12, 282,717.54 and 76,370.04

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Solution

The fourth proportional to 188,610.12, 282,717.54 and 76,370.04 is: 114,475.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,610.12 : 282,717.54 = 76,370.04 : x
  2. Step 2: Convert to fraction form
    188,610.12/282,717.54 = 76,370.04/x
  3. Step 3: Cross multiply
    188,610.12x = 282,717.54 × 76,370.04
  4. Step 4: Simplify right side
    188,610.12x = 21,591,149,838.50
  5. Step 5: Solve for x
    x = 21,591,149,838.50/188,610.12
  6. Step 6: Final answer
    x = 114,475.03

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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.