Home / 156,173.28-215,519.25-84,553.35

Finding the Fourth Proportional to 156,173.28, 215,519.25 and 84,553.35

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Solution

The fourth proportional to 156,173.28, 215,519.25 and 84,553.35 is: 116,683.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,173.28 : 215,519.25 = 84,553.35 : x
  2. Step 2: Convert to fraction form
    156,173.28/215,519.25 = 84,553.35/x
  3. Step 3: Cross multiply
    156,173.28x = 215,519.25 × 84,553.35
  4. Step 4: Simplify right side
    156,173.28x = 18,222,874,576.99
  5. Step 5: Solve for x
    x = 18,222,874,576.99/156,173.28
  6. Step 6: Final answer
    x = 116,683.69

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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.