Home / 225,909.16-338,683.92-111,976.79

Finding the Fourth Proportional to 225,909.16, 338,683.92 and 111,976.79

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Solution

The fourth proportional to 225,909.16, 338,683.92 and 111,976.79 is: 167,876.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,909.16 : 338,683.92 = 111,976.79 : x
  2. Step 2: Convert to fraction form
    225,909.16/338,683.92 = 111,976.79/x
  3. Step 3: Cross multiply
    225,909.16x = 338,683.92 × 111,976.79
  4. Step 4: Simplify right side
    225,909.16x = 37,924,736,779.62
  5. Step 5: Solve for x
    x = 37,924,736,779.62/225,909.16
  6. Step 6: Final answer
    x = 167,876.05

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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.