Home / 156,091.44-215,406.74-84,471.45

Finding the Fourth Proportional to 156,091.44, 215,406.74 and 84,471.45

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Solution

The fourth proportional to 156,091.44, 215,406.74 and 84,471.45 is: 116,570.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,091.44 : 215,406.74 = 84,471.45 : x
  2. Step 2: Convert to fraction form
    156,091.44/215,406.74 = 84,471.45/x
  3. Step 3: Cross multiply
    156,091.44x = 215,406.74 × 84,471.45
  4. Step 4: Simplify right side
    156,091.44x = 18,195,719,667.57
  5. Step 5: Solve for x
    x = 18,195,719,667.57/156,091.44
  6. Step 6: Final answer
    x = 116,570.90

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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.