Home / 166,895.26-230,314.46-90,415.80

Finding the Fourth Proportional to 166,895.26, 230,314.46 and 90,415.80

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Solution

The fourth proportional to 166,895.26, 230,314.46 and 90,415.80 is: 124,773.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,895.26 : 230,314.46 = 90,415.80 : x
  2. Step 2: Convert to fraction form
    166,895.26/230,314.46 = 90,415.80/x
  3. Step 3: Cross multiply
    166,895.26x = 230,314.46 × 90,415.80
  4. Step 4: Simplify right side
    166,895.26x = 20,824,066,152.47
  5. Step 5: Solve for x
    x = 20,824,066,152.47/166,895.26
  6. Step 6: Final answer
    x = 124,773.26

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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.