Home / 272,933.85-409,344.31-73,206.72

Finding the Fourth Proportional to 272,933.85, 409,344.31 and 73,206.72

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Solution

The fourth proportional to 272,933.85, 409,344.31 and 73,206.72 is: 109,794.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,933.85 : 409,344.31 = 73,206.72 : x
  2. Step 2: Convert to fraction form
    272,933.85/409,344.31 = 73,206.72/x
  3. Step 3: Cross multiply
    272,933.85x = 409,344.31 × 73,206.72
  4. Step 4: Simplify right side
    272,933.85x = 29,966,754,285.76
  5. Step 5: Solve for x
    x = 29,966,754,285.76/272,933.85
  6. Step 6: Final answer
    x = 109,794.93

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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.