Home / 156,416.55-215,771.61-95,181.45

Finding the Fourth Proportional to 156,416.55, 215,771.61 and 95,181.45

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Solution

The fourth proportional to 156,416.55, 215,771.61 and 95,181.45 is: 131,299.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,416.55 : 215,771.61 = 95,181.45 : x
  2. Step 2: Convert to fraction form
    156,416.55/215,771.61 = 95,181.45/x
  3. Step 3: Cross multiply
    156,416.55x = 215,771.61 × 95,181.45
  4. Step 4: Simplify right side
    156,416.55x = 20,537,454,708.63
  5. Step 5: Solve for x
    x = 20,537,454,708.63/156,416.55
  6. Step 6: Final answer
    x = 131,299.76

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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.