Home / 147,939.96-204,160.74-89,797.36

Finding the Fourth Proportional to 147,939.96, 204,160.74 and 89,797.36

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Solution

The fourth proportional to 147,939.96, 204,160.74 and 89,797.36 is: 123,922.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,939.96 : 204,160.74 = 89,797.36 : x
  2. Step 2: Convert to fraction form
    147,939.96/204,160.74 = 89,797.36/x
  3. Step 3: Cross multiply
    147,939.96x = 204,160.74 × 89,797.36
  4. Step 4: Simplify right side
    147,939.96x = 18,333,095,467.65
  5. Step 5: Solve for x
    x = 18,333,095,467.65/147,939.96
  6. Step 6: Final answer
    x = 123,922.54

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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.