Home / 136,180.06-187,933.82-82,434.66

Finding the Fourth Proportional to 136,180.06, 187,933.82 and 82,434.66

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Solution

The fourth proportional to 136,180.06, 187,933.82 and 82,434.66 is: 113,763.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,180.06 : 187,933.82 = 82,434.66 : x
  2. Step 2: Convert to fraction form
    136,180.06/187,933.82 = 82,434.66/x
  3. Step 3: Cross multiply
    136,180.06x = 187,933.82 × 82,434.66
  4. Step 4: Simplify right side
    136,180.06x = 15,492,260,554.20
  5. Step 5: Solve for x
    x = 15,492,260,554.20/136,180.06
  6. Step 6: Final answer
    x = 113,763.06

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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.