Home / 136,066.10-187,775.26-82,360.94

Finding the Fourth Proportional to 136,066.10, 187,775.26 and 82,360.94

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Solution

The fourth proportional to 136,066.10, 187,775.26 and 82,360.94 is: 113,660.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,066.10 : 187,775.26 = 82,360.94 : x
  2. Step 2: Convert to fraction form
    136,066.10/187,775.26 = 82,360.94/x
  3. Step 3: Cross multiply
    136,066.10x = 187,775.26 × 82,360.94
  4. Step 4: Simplify right side
    136,066.10x = 15,465,346,922.34
  5. Step 5: Solve for x
    x = 15,465,346,922.34/136,066.10
  6. Step 6: Final answer
    x = 113,660.54

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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.