Home / 156,412.35-215,850.15-84,793.50

Finding the Fourth Proportional to 156,412.35, 215,850.15 and 84,793.50

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Solution

The fourth proportional to 156,412.35, 215,850.15 and 84,793.50 is: 117,015.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,412.35 : 215,850.15 = 84,793.50 : x
  2. Step 2: Convert to fraction form
    156,412.35/215,850.15 = 84,793.50/x
  3. Step 3: Cross multiply
    156,412.35x = 215,850.15 × 84,793.50
  4. Step 4: Simplify right side
    156,412.35x = 18,302,689,694.03
  5. Step 5: Solve for x
    x = 18,302,689,694.03/156,412.35
  6. Step 6: Final answer
    x = 117,015.63

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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.