Home / 156,648.30-216,173.93-85,027.70

Finding the Fourth Proportional to 156,648.30, 216,173.93 and 85,027.70

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Solution

The fourth proportional to 156,648.30, 216,173.93 and 85,027.70 is: 117,337.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,648.30 : 216,173.93 = 85,027.70 : x
  2. Step 2: Convert to fraction form
    156,648.30/216,173.93 = 85,027.70/x
  3. Step 3: Cross multiply
    156,648.30x = 216,173.93 × 85,027.70
  4. Step 4: Simplify right side
    156,648.30x = 18,380,770,561.85
  5. Step 5: Solve for x
    x = 18,380,770,561.85/156,648.30
  6. Step 6: Final answer
    x = 117,337.82

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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.