Home / 129,058.43-178,050.90-95,147.55

Finding the Fourth Proportional to 129,058.43, 178,050.90 and 95,147.55

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Solution

The fourth proportional to 129,058.43, 178,050.90 and 95,147.55 is: 131,266.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,058.43 : 178,050.90 = 95,147.55 : x
  2. Step 2: Convert to fraction form
    129,058.43/178,050.90 = 95,147.55/x
  3. Step 3: Cross multiply
    129,058.43x = 178,050.90 × 95,147.55
  4. Step 4: Simplify right side
    129,058.43x = 16,941,106,910.30
  5. Step 5: Solve for x
    x = 16,941,106,910.30/129,058.43
  6. Step 6: Final answer
    x = 131,266.96

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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.