Home / 156,087.53-215,402.35-84,469.09

Finding the Fourth Proportional to 156,087.53, 215,402.35 and 84,469.09

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Solution

The fourth proportional to 156,087.53, 215,402.35 and 84,469.09 is: 116,568.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,087.53 : 215,402.35 = 84,469.09 : x
  2. Step 2: Convert to fraction form
    156,087.53/215,402.35 = 84,469.09/x
  3. Step 3: Cross multiply
    156,087.53x = 215,402.35 × 84,469.09
  4. Step 4: Simplify right side
    156,087.53x = 18,194,840,488.36
  5. Step 5: Solve for x
    x = 18,194,840,488.36/156,087.53
  6. Step 6: Final answer
    x = 116,568.19

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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.