Home / 414,142.04-621,110.46-177,457.88

Finding the Fourth Proportional to 414,142.04, 621,110.46 and 177,457.88

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Solution

The fourth proportional to 414,142.04, 621,110.46 and 177,457.88 is: 266,142.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,142.04 : 621,110.46 = 177,457.88 : x
  2. Step 2: Convert to fraction form
    414,142.04/621,110.46 = 177,457.88/x
  3. Step 3: Cross multiply
    414,142.04x = 621,110.46 × 177,457.88
  4. Step 4: Simplify right side
    414,142.04x = 110,220,945,477.43
  5. Step 5: Solve for x
    x = 110,220,945,477.43/414,142.04
  6. Step 6: Final answer
    x = 266,142.86

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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.