Home / 136,094.74-187,816.97-75,671.57

Finding the Fourth Proportional to 136,094.74, 187,816.97 and 75,671.57

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Solution

The fourth proportional to 136,094.74, 187,816.97 and 75,671.57 is: 104,430.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,094.74 : 187,816.97 = 75,671.57 : x
  2. Step 2: Convert to fraction form
    136,094.74/187,816.97 = 75,671.57/x
  3. Step 3: Cross multiply
    136,094.74x = 187,816.97 × 75,671.57
  4. Step 4: Simplify right side
    136,094.74x = 14,212,404,992.54
  5. Step 5: Solve for x
    x = 14,212,404,992.54/136,094.74
  6. Step 6: Final answer
    x = 104,430.23

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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.