Home / 188,119.23-282,205.32-55,009.50

Finding the Fourth Proportional to 188,119.23, 282,205.32 and 55,009.50

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Solution

The fourth proportional to 188,119.23, 282,205.32 and 55,009.50 is: 82,521.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,119.23 : 282,205.32 = 55,009.50 : x
  2. Step 2: Convert to fraction form
    188,119.23/282,205.32 = 55,009.50/x
  3. Step 3: Cross multiply
    188,119.23x = 282,205.32 × 55,009.50
  4. Step 4: Simplify right side
    188,119.23x = 15,523,973,550.54
  5. Step 5: Solve for x
    x = 15,523,973,550.54/188,119.23
  6. Step 6: Final answer
    x = 82,521.99

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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.