Home / 106,319.55-159,315.30-92,213.40

Finding the Fourth Proportional to 106,319.55, 159,315.30 and 92,213.40

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Solution

The fourth proportional to 106,319.55, 159,315.30 and 92,213.40 is: 138,177.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,319.55 : 159,315.30 = 92,213.40 : x
  2. Step 2: Convert to fraction form
    106,319.55/159,315.30 = 92,213.40/x
  3. Step 3: Cross multiply
    106,319.55x = 159,315.30 × 92,213.40
  4. Step 4: Simplify right side
    106,319.55x = 14,691,005,485.02
  5. Step 5: Solve for x
    x = 14,691,005,485.02/106,319.55
  6. Step 6: Final answer
    x = 138,177.84

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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.