Home / 156,016.13-215,300.97-84,396.33

Finding the Fourth Proportional to 156,016.13, 215,300.97 and 84,396.33

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Solution

The fourth proportional to 156,016.13, 215,300.97 and 84,396.33 is: 116,466.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,016.13 : 215,300.97 = 84,396.33 : x
  2. Step 2: Convert to fraction form
    156,016.13/215,300.97 = 84,396.33/x
  3. Step 3: Cross multiply
    156,016.13x = 215,300.97 × 84,396.33
  4. Step 4: Simplify right side
    156,016.13x = 18,170,611,713.44
  5. Step 5: Solve for x
    x = 18,170,611,713.44/156,016.13
  6. Step 6: Final answer
    x = 116,466.24

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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.