Home / 136,099.22-187,823.18-75,676.07

Finding the Fourth Proportional to 136,099.22, 187,823.18 and 75,676.07

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Solution

The fourth proportional to 136,099.22, 187,823.18 and 75,676.07 is: 104,436.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,099.22 : 187,823.18 = 75,676.07 : x
  2. Step 2: Convert to fraction form
    136,099.22/187,823.18 = 75,676.07/x
  3. Step 3: Cross multiply
    136,099.22x = 187,823.18 × 75,676.07
  4. Step 4: Simplify right side
    136,099.22x = 14,213,719,738.92
  5. Step 5: Solve for x
    x = 14,213,719,738.92/136,099.22
  6. Step 6: Final answer
    x = 104,436.45

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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.