Home / 129,676.26-178,953.22-70,060.26

Finding the Fourth Proportional to 129,676.26, 178,953.22 and 70,060.26

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Solution

The fourth proportional to 129,676.26, 178,953.22 and 70,060.26 is: 96,683.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,676.26 : 178,953.22 = 70,060.26 : x
  2. Step 2: Convert to fraction form
    129,676.26/178,953.22 = 70,060.26/x
  3. Step 3: Cross multiply
    129,676.26x = 178,953.22 × 70,060.26
  4. Step 4: Simplify right side
    129,676.26x = 12,537,509,121.04
  5. Step 5: Solve for x
    x = 12,537,509,121.04/129,676.26
  6. Step 6: Final answer
    x = 96,683.15

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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.