Home / 146,786.10-220,025.23-71,802.74

Finding the Fourth Proportional to 146,786.10, 220,025.23 and 71,802.74

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Solution

The fourth proportional to 146,786.10, 220,025.23 and 71,802.74 is: 107,628.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,786.10 : 220,025.23 = 71,802.74 : x
  2. Step 2: Convert to fraction form
    146,786.10/220,025.23 = 71,802.74/x
  3. Step 3: Cross multiply
    146,786.10x = 220,025.23 × 71,802.74
  4. Step 4: Simplify right side
    146,786.10x = 15,798,414,383.13
  5. Step 5: Solve for x
    x = 15,798,414,383.13/146,786.10
  6. Step 6: Final answer
    x = 107,628.82

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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.