Home / 223,405.15-335,107.73-156,920.35

Finding the Fourth Proportional to 223,405.15, 335,107.73 and 156,920.35

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Solution

The fourth proportional to 223,405.15, 335,107.73 and 156,920.35 is: 235,380.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,405.15 : 335,107.73 = 156,920.35 : x
  2. Step 2: Convert to fraction form
    223,405.15/335,107.73 = 156,920.35/x
  3. Step 3: Cross multiply
    223,405.15x = 335,107.73 × 156,920.35
  4. Step 4: Simplify right side
    223,405.15x = 52,585,222,279.31
  5. Step 5: Solve for x
    x = 52,585,222,279.31/223,405.15
  6. Step 6: Final answer
    x = 235,380.53

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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.