Home / 126,951.84-175,102.56-83,881.44

Finding the Fourth Proportional to 126,951.84, 175,102.56 and 83,881.44

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Solution

The fourth proportional to 126,951.84, 175,102.56 and 83,881.44 is: 115,696.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,951.84 : 175,102.56 = 83,881.44 : x
  2. Step 2: Convert to fraction form
    126,951.84/175,102.56 = 83,881.44/x
  3. Step 3: Cross multiply
    126,951.84x = 175,102.56 × 83,881.44
  4. Step 4: Simplify right side
    126,951.84x = 14,687,854,880.49
  5. Step 5: Solve for x
    x = 14,687,854,880.49/126,951.84
  6. Step 6: Final answer
    x = 115,696.27

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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.