Home / 126,667.25-174,724.66-83,647.14

Finding the Fourth Proportional to 126,667.25, 174,724.66 and 83,647.14

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Solution

The fourth proportional to 126,667.25, 174,724.66 and 83,647.14 is: 115,382.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,667.25 : 174,724.66 = 83,647.14 : x
  2. Step 2: Convert to fraction form
    126,667.25/174,724.66 = 83,647.14/x
  3. Step 3: Cross multiply
    126,667.25x = 174,724.66 × 83,647.14
  4. Step 4: Simplify right side
    126,667.25x = 14,615,218,096.47
  5. Step 5: Solve for x
    x = 14,615,218,096.47/126,667.25
  6. Step 6: Final answer
    x = 115,382.77

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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.