Home / 131,912.12-181,800.78-96,045.32

Finding the Fourth Proportional to 131,912.12, 181,800.78 and 96,045.32

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Solution

The fourth proportional to 131,912.12, 181,800.78 and 96,045.32 is: 132,369.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,912.12 : 181,800.78 = 96,045.32 : x
  2. Step 2: Convert to fraction form
    131,912.12/181,800.78 = 96,045.32/x
  3. Step 3: Cross multiply
    131,912.12x = 181,800.78 × 96,045.32
  4. Step 4: Simplify right side
    131,912.12x = 17,461,114,091.35
  5. Step 5: Solve for x
    x = 17,461,114,091.35/131,912.12
  6. Step 6: Final answer
    x = 132,369.29

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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.