Home / 126,844.48-175,046.66-76,533.76

Finding the Fourth Proportional to 126,844.48, 175,046.66 and 76,533.76

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Solution

The fourth proportional to 126,844.48, 175,046.66 and 76,533.76 is: 105,617.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,844.48 : 175,046.66 = 76,533.76 : x
  2. Step 2: Convert to fraction form
    126,844.48/175,046.66 = 76,533.76/x
  3. Step 3: Cross multiply
    126,844.48x = 175,046.66 × 76,533.76
  4. Step 4: Simplify right side
    126,844.48x = 13,396,979,065.24
  5. Step 5: Solve for x
    x = 13,396,979,065.24/126,844.48
  6. Step 6: Final answer
    x = 105,617.36

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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.