Home / 217,846.20-326,769.30-70,102.20

Finding the Fourth Proportional to 217,846.20, 326,769.30 and 70,102.20

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Solution

The fourth proportional to 217,846.20, 326,769.30 and 70,102.20 is: 105,153.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,846.20 : 326,769.30 = 70,102.20 : x
  2. Step 2: Convert to fraction form
    217,846.20/326,769.30 = 70,102.20/x
  3. Step 3: Cross multiply
    217,846.20x = 326,769.30 × 70,102.20
  4. Step 4: Simplify right side
    217,846.20x = 22,907,246,822.46
  5. Step 5: Solve for x
    x = 22,907,246,822.46/217,846.20
  6. Step 6: Final answer
    x = 105,153.30

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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.