Home / 129,083.16-178,084.98-95,172.30

Finding the Fourth Proportional to 129,083.16, 178,084.98 and 95,172.30

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Solution

The fourth proportional to 129,083.16, 178,084.98 and 95,172.30 is: 131,301.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,083.16 : 178,084.98 = 95,172.30 : x
  2. Step 2: Convert to fraction form
    129,083.16/178,084.98 = 95,172.30/x
  3. Step 3: Cross multiply
    129,083.16x = 178,084.98 × 95,172.30
  4. Step 4: Simplify right side
    129,083.16x = 16,948,757,142.05
  5. Step 5: Solve for x
    x = 16,948,757,142.05/129,083.16
  6. Step 6: Final answer
    x = 131,301.07

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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.