Home / 136,066.08-187,775.04-82,360.80

Finding the Fourth Proportional to 136,066.08, 187,775.04 and 82,360.80

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Solution

The fourth proportional to 136,066.08, 187,775.04 and 82,360.80 is: 113,660.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,066.08 : 187,775.04 = 82,360.80 : x
  2. Step 2: Convert to fraction form
    136,066.08/187,775.04 = 82,360.80/x
  3. Step 3: Cross multiply
    136,066.08x = 187,775.04 × 82,360.80
  4. Step 4: Simplify right side
    136,066.08x = 15,465,302,514.43
  5. Step 5: Solve for x
    x = 15,465,302,514.43/136,066.08
  6. Step 6: Final answer
    x = 113,660.23

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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.