Home / 156,245.76-215,618.94-84,626.04

Finding the Fourth Proportional to 156,245.76, 215,618.94 and 84,626.04

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Solution

The fourth proportional to 156,245.76, 215,618.94 and 84,626.04 is: 116,783.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,245.76 : 215,618.94 = 84,626.04 : x
  2. Step 2: Convert to fraction form
    156,245.76/215,618.94 = 84,626.04/x
  3. Step 3: Cross multiply
    156,245.76x = 215,618.94 × 84,626.04
  4. Step 4: Simplify right side
    156,245.76x = 18,246,977,041.20
  5. Step 5: Solve for x
    x = 18,246,977,041.20/156,245.76
  6. Step 6: Final answer
    x = 116,783.82

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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.