Home / 126,936.28-175,172.07-70,351.30

Finding the Fourth Proportional to 126,936.28, 175,172.07 and 70,351.30

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Solution

The fourth proportional to 126,936.28, 175,172.07 and 70,351.30 is: 97,084.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,936.28 : 175,172.07 = 70,351.30 : x
  2. Step 2: Convert to fraction form
    126,936.28/175,172.07 = 70,351.30/x
  3. Step 3: Cross multiply
    126,936.28x = 175,172.07 × 70,351.30
  4. Step 4: Simplify right side
    126,936.28x = 12,323,582,935.25
  5. Step 5: Solve for x
    x = 12,323,582,935.25/126,936.28
  6. Step 6: Final answer
    x = 97,084.80

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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.