Home / 217,422.72-326,756.16-106,692.48

Finding the Fourth Proportional to 217,422.72, 326,756.16 and 106,692.48

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Solution

The fourth proportional to 217,422.72, 326,756.16 and 106,692.48 is: 160,343.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,422.72 : 326,756.16 = 106,692.48 : x
  2. Step 2: Convert to fraction form
    217,422.72/326,756.16 = 106,692.48/x
  3. Step 3: Cross multiply
    217,422.72x = 326,756.16 × 106,692.48
  4. Step 4: Simplify right side
    217,422.72x = 34,862,425,065.68
  5. Step 5: Solve for x
    x = 34,862,425,065.68/217,422.72
  6. Step 6: Final answer
    x = 160,343.98

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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.