Home / 164,725.74-227,315.42-89,272.62

Finding the Fourth Proportional to 164,725.74, 227,315.42 and 89,272.62

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Solution

The fourth proportional to 164,725.74, 227,315.42 and 89,272.62 is: 123,192.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,725.74 : 227,315.42 = 89,272.62 : x
  2. Step 2: Convert to fraction form
    164,725.74/227,315.42 = 89,272.62/x
  3. Step 3: Cross multiply
    164,725.74x = 227,315.42 × 89,272.62
  4. Step 4: Simplify right side
    164,725.74x = 20,293,043,109.80
  5. Step 5: Solve for x
    x = 20,293,043,109.80/164,725.74
  6. Step 6: Final answer
    x = 123,192.91

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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.