Home / 156,422.88-215,845.20-92,748.96

Finding the Fourth Proportional to 156,422.88, 215,845.20 and 92,748.96

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Solution

The fourth proportional to 156,422.88, 215,845.20 and 92,748.96 is: 127,982.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,422.88 : 215,845.20 = 92,748.96 : x
  2. Step 2: Convert to fraction form
    156,422.88/215,845.20 = 92,748.96/x
  3. Step 3: Cross multiply
    156,422.88x = 215,845.20 × 92,748.96
  4. Step 4: Simplify right side
    156,422.88x = 20,019,417,820.99
  5. Step 5: Solve for x
    x = 20,019,417,820.99/156,422.88
  6. Step 6: Final answer
    x = 127,982.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.