Home / 354,383.32-531,769.38-143,964.76

Finding the Fourth Proportional to 354,383.32, 531,769.38 and 143,964.76

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Solution

The fourth proportional to 354,383.32, 531,769.38 and 143,964.76 is: 216,026.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,383.32 : 531,769.38 = 143,964.76 : x
  2. Step 2: Convert to fraction form
    354,383.32/531,769.38 = 143,964.76/x
  3. Step 3: Cross multiply
    354,383.32x = 531,769.38 × 143,964.76
  4. Step 4: Simplify right side
    354,383.32x = 76,556,051,167.05
  5. Step 5: Solve for x
    x = 76,556,051,167.05/354,383.32
  6. Step 6: Final answer
    x = 216,026.11

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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.