Home / 168,890.67-232,959.24-108,365.45

Finding the Fourth Proportional to 168,890.67, 232,959.24 and 108,365.45

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Solution

The fourth proportional to 168,890.67, 232,959.24 and 108,365.45 is: 149,473.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,890.67 : 232,959.24 = 108,365.45 : x
  2. Step 2: Convert to fraction form
    168,890.67/232,959.24 = 108,365.45/x
  3. Step 3: Cross multiply
    168,890.67x = 232,959.24 × 108,365.45
  4. Step 4: Simplify right side
    168,890.67x = 25,244,731,709.46
  5. Step 5: Solve for x
    x = 25,244,731,709.46/168,890.67
  6. Step 6: Final answer
    x = 149,473.81

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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.