Home / 188,964.27-282,780.66-117,920.33

Finding the Fourth Proportional to 188,964.27, 282,780.66 and 117,920.33

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Solution

The fourth proportional to 188,964.27, 282,780.66 and 117,920.33 is: 176,465.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,964.27 : 282,780.66 = 117,920.33 : x
  2. Step 2: Convert to fraction form
    188,964.27/282,780.66 = 117,920.33/x
  3. Step 3: Cross multiply
    188,964.27x = 282,780.66 × 117,920.33
  4. Step 4: Simplify right side
    188,964.27x = 33,345,588,744.82
  5. Step 5: Solve for x
    x = 33,345,588,744.82/188,964.27
  6. Step 6: Final answer
    x = 176,465.05

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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.