Home / 213,161.07-294,164.33-117,665.72

Finding the Fourth Proportional to 213,161.07, 294,164.33 and 117,665.72

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Solution

The fourth proportional to 213,161.07, 294,164.33 and 117,665.72 is: 162,379.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,161.07 : 294,164.33 = 117,665.72 : x
  2. Step 2: Convert to fraction form
    213,161.07/294,164.33 = 117,665.72/x
  3. Step 3: Cross multiply
    213,161.07x = 294,164.33 × 117,665.72
  4. Step 4: Simplify right side
    213,161.07x = 34,613,057,687.77
  5. Step 5: Solve for x
    x = 34,613,057,687.77/213,161.07
  6. Step 6: Final answer
    x = 162,379.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.