Home / 156,376.05-215,800.04-84,757.27

Finding the Fourth Proportional to 156,376.05, 215,800.04 and 84,757.27

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Solution

The fourth proportional to 156,376.05, 215,800.04 and 84,757.27 is: 116,965.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,376.05 : 215,800.04 = 84,757.27 : x
  2. Step 2: Convert to fraction form
    156,376.05/215,800.04 = 84,757.27/x
  3. Step 3: Cross multiply
    156,376.05x = 215,800.04 × 84,757.27
  4. Step 4: Simplify right side
    156,376.05x = 18,290,622,256.29
  5. Step 5: Solve for x
    x = 18,290,622,256.29/156,376.05
  6. Step 6: Final answer
    x = 116,965.62

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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.