Home / 136,086.22-187,803.06-74,829.23

Finding the Fourth Proportional to 136,086.22, 187,803.06 and 74,829.23

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Solution

The fourth proportional to 136,086.22, 187,803.06 and 74,829.23 is: 103,266.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,086.22 : 187,803.06 = 74,829.23 : x
  2. Step 2: Convert to fraction form
    136,086.22/187,803.06 = 74,829.23/x
  3. Step 3: Cross multiply
    136,086.22x = 187,803.06 × 74,829.23
  4. Step 4: Simplify right side
    136,086.22x = 14,053,158,371.44
  5. Step 5: Solve for x
    x = 14,053,158,371.44/136,086.22
  6. Step 6: Final answer
    x = 103,266.58

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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.