Home / 156,087.11-215,400.21-84,467.13

Finding the Fourth Proportional to 156,087.11, 215,400.21 and 84,467.13

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Solution

The fourth proportional to 156,087.11, 215,400.21 and 84,467.13 is: 116,564.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,087.11 : 215,400.21 = 84,467.13 : x
  2. Step 2: Convert to fraction form
    156,087.11/215,400.21 = 84,467.13/x
  3. Step 3: Cross multiply
    156,087.11x = 215,400.21 × 84,467.13
  4. Step 4: Simplify right side
    156,087.11x = 18,194,237,540.10
  5. Step 5: Solve for x
    x = 18,194,237,540.10/156,087.11
  6. Step 6: Final answer
    x = 116,564.64

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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.