Home / 753,171.96-1,129,757-192,206.48

Finding the Fourth Proportional to 753,171.96, 1,129,757 and 192,206.48

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Solution

The fourth proportional to 753,171.96, 1,129,757 and 192,206.48 is: 288,309.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,171.96 : 1,129,757 = 192,206.48 : x
  2. Step 2: Convert to fraction form
    753,171.96/1,129,757 = 192,206.48/x
  3. Step 3: Cross multiply
    753,171.96x = 1,129,757 × 192,206.48
  4. Step 4: Simplify right side
    753,171.96x = 217,146,616,225.36
  5. Step 5: Solve for x
    x = 217,146,616,225.36/753,171.96
  6. Step 6: Final answer
    x = 288,309.48

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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.