Home / 111,305.41-167,012.94-52,130.86

Finding the Fourth Proportional to 111,305.41, 167,012.94 and 52,130.86

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Solution

The fourth proportional to 111,305.41, 167,012.94 and 52,130.86 is: 78,221.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,305.41 : 167,012.94 = 52,130.86 : x
  2. Step 2: Convert to fraction form
    111,305.41/167,012.94 = 52,130.86/x
  3. Step 3: Cross multiply
    111,305.41x = 167,012.94 × 52,130.86
  4. Step 4: Simplify right side
    111,305.41x = 8,706,528,193.33
  5. Step 5: Solve for x
    x = 8,706,528,193.33/111,305.41
  6. Step 6: Final answer
    x = 78,221.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.