Home / 126,287.56-174,299.44-75,303.58

Finding the Fourth Proportional to 126,287.56, 174,299.44 and 75,303.58

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Solution

The fourth proportional to 126,287.56, 174,299.44 and 75,303.58 is: 103,932.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,287.56 : 174,299.44 = 75,303.58 : x
  2. Step 2: Convert to fraction form
    126,287.56/174,299.44 = 75,303.58/x
  3. Step 3: Cross multiply
    126,287.56x = 174,299.44 × 75,303.58
  4. Step 4: Simplify right side
    126,287.56x = 13,125,371,824.00
  5. Step 5: Solve for x
    x = 13,125,371,824.00/126,287.56
  6. Step 6: Final answer
    x = 103,932.42

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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.