Home / 124,481.54-186,533.21-91,223.65

Finding the Fourth Proportional to 124,481.54, 186,533.21 and 91,223.65

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Solution

The fourth proportional to 124,481.54, 186,533.21 and 91,223.65 is: 136,696.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,481.54 : 186,533.21 = 91,223.65 : x
  2. Step 2: Convert to fraction form
    124,481.54/186,533.21 = 91,223.65/x
  3. Step 3: Cross multiply
    124,481.54x = 186,533.21 × 91,223.65
  4. Step 4: Simplify right side
    124,481.54x = 17,016,240,723.64
  5. Step 5: Solve for x
    x = 17,016,240,723.64/124,481.54
  6. Step 6: Final answer
    x = 136,696.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.