Home / 129,083.57-178,085.59-95,172.54

Finding the Fourth Proportional to 129,083.57, 178,085.59 and 95,172.54

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Solution

The fourth proportional to 129,083.57, 178,085.59 and 95,172.54 is: 131,301.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,083.57 : 178,085.59 = 95,172.54 : x
  2. Step 2: Convert to fraction form
    129,083.57/178,085.59 = 95,172.54/x
  3. Step 3: Cross multiply
    129,083.57x = 178,085.59 × 95,172.54
  4. Step 4: Simplify right side
    129,083.57x = 16,948,858,534.54
  5. Step 5: Solve for x
    x = 16,948,858,534.54/129,083.57
  6. Step 6: Final answer
    x = 131,301.43

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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.