Home / 260,828.12-390,887.22-110,879.96

Finding the Fourth Proportional to 260,828.12, 390,887.22 and 110,879.96

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Solution

The fourth proportional to 260,828.12, 390,887.22 and 110,879.96 is: 166,169.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,828.12 : 390,887.22 = 110,879.96 : x
  2. Step 2: Convert to fraction form
    260,828.12/390,887.22 = 110,879.96/x
  3. Step 3: Cross multiply
    260,828.12x = 390,887.22 × 110,879.96
  4. Step 4: Simplify right side
    260,828.12x = 43,341,559,318.11
  5. Step 5: Solve for x
    x = 43,341,559,318.11/260,828.12
  6. Step 6: Final answer
    x = 166,169.04

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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.