Home / 126,318.48-188,379.78-124,623.60

Finding the Fourth Proportional to 126,318.48, 188,379.78 and 124,623.60

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Solution

The fourth proportional to 126,318.48, 188,379.78 and 124,623.60 is: 185,852.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,318.48 : 188,379.78 = 124,623.60 : x
  2. Step 2: Convert to fraction form
    126,318.48/188,379.78 = 124,623.60/x
  3. Step 3: Cross multiply
    126,318.48x = 188,379.78 × 124,623.60
  4. Step 4: Simplify right side
    126,318.48x = 23,476,566,350.81
  5. Step 5: Solve for x
    x = 23,476,566,350.81/126,318.48
  6. Step 6: Final answer
    x = 185,852.19

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.