Home / 136,049.35-187,740.06-75,617.92

Finding the Fourth Proportional to 136,049.35, 187,740.06 and 75,617.92

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Solution

The fourth proportional to 136,049.35, 187,740.06 and 75,617.92 is: 104,348.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,049.35 : 187,740.06 = 75,617.92 : x
  2. Step 2: Convert to fraction form
    136,049.35/187,740.06 = 75,617.92/x
  3. Step 3: Cross multiply
    136,049.35x = 187,740.06 × 75,617.92
  4. Step 4: Simplify right side
    136,049.35x = 14,196,512,837.88
  5. Step 5: Solve for x
    x = 14,196,512,837.88/136,049.35
  6. Step 6: Final answer
    x = 104,348.26

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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.