Home / 126,708.04-174,839.78-75,710.00

Finding the Fourth Proportional to 126,708.04, 174,839.78 and 75,710.00

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Solution

The fourth proportional to 126,708.04, 174,839.78 and 75,710.00 is: 104,469.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,708.04 : 174,839.78 = 75,710.00 : x
  2. Step 2: Convert to fraction form
    126,708.04/174,839.78 = 75,710.00/x
  3. Step 3: Cross multiply
    126,708.04x = 174,839.78 × 75,710.00
  4. Step 4: Simplify right side
    126,708.04x = 13,237,120,370.17
  5. Step 5: Solve for x
    x = 13,237,120,370.17/126,708.04
  6. Step 6: Final answer
    x = 104,469.46

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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.