Home / 190,920.88-263,457.48-110,285.20

Finding the Fourth Proportional to 190,920.88, 263,457.48 and 110,285.20

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Solution

The fourth proportional to 190,920.88, 263,457.48 and 110,285.20 is: 152,185.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,920.88 : 263,457.48 = 110,285.20 : x
  2. Step 2: Convert to fraction form
    190,920.88/263,457.48 = 110,285.20/x
  3. Step 3: Cross multiply
    190,920.88x = 263,457.48 × 110,285.20
  4. Step 4: Simplify right side
    190,920.88x = 29,055,460,873.30
  5. Step 5: Solve for x
    x = 29,055,460,873.30/190,920.88
  6. Step 6: Final answer
    x = 152,185.87

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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.