Home / 164,588.25-227,131.80-89,136.75

Finding the Fourth Proportional to 164,588.25, 227,131.80 and 89,136.75

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Solution

The fourth proportional to 164,588.25, 227,131.80 and 89,136.75 is: 123,008.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,588.25 : 227,131.80 = 89,136.75 : x
  2. Step 2: Convert to fraction form
    164,588.25/227,131.80 = 89,136.75/x
  3. Step 3: Cross multiply
    164,588.25x = 227,131.80 × 89,136.75
  4. Step 4: Simplify right side
    164,588.25x = 20,245,790,473.65
  5. Step 5: Solve for x
    x = 20,245,790,473.65/164,588.25
  6. Step 6: Final answer
    x = 123,008.72

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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.