Home / 156,015.66-215,302.66-95,586.42

Finding the Fourth Proportional to 156,015.66, 215,302.66 and 95,586.42

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Solution

The fourth proportional to 156,015.66, 215,302.66 and 95,586.42 is: 131,909.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,015.66 : 215,302.66 = 95,586.42 : x
  2. Step 2: Convert to fraction form
    156,015.66/215,302.66 = 95,586.42/x
  3. Step 3: Cross multiply
    156,015.66x = 215,302.66 × 95,586.42
  4. Step 4: Simplify right side
    156,015.66x = 20,580,010,485.88
  5. Step 5: Solve for x
    x = 20,580,010,485.88/156,015.66
  6. Step 6: Final answer
    x = 131,909.90

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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.