Home / 235,738.20-353,484.96-115,742.40

Finding the Fourth Proportional to 235,738.20, 353,484.96 and 115,742.40

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Solution

The fourth proportional to 235,738.20, 353,484.96 and 115,742.40 is: 173,553.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,738.20 : 353,484.96 = 115,742.40 : x
  2. Step 2: Convert to fraction form
    235,738.20/353,484.96 = 115,742.40/x
  3. Step 3: Cross multiply
    235,738.20x = 353,484.96 × 115,742.40
  4. Step 4: Simplify right side
    235,738.20x = 40,913,197,634.30
  5. Step 5: Solve for x
    x = 40,913,197,634.30/235,738.20
  6. Step 6: Final answer
    x = 173,553.53

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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.