Home / 156,086.66-215,399.60-84,466.68

Finding the Fourth Proportional to 156,086.66, 215,399.60 and 84,466.68

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Solution

The fourth proportional to 156,086.66, 215,399.60 and 84,466.68 is: 116,564.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,086.66 : 215,399.60 = 84,466.68 : x
  2. Step 2: Convert to fraction form
    156,086.66/215,399.60 = 84,466.68/x
  3. Step 3: Cross multiply
    156,086.66x = 215,399.60 × 84,466.68
  4. Step 4: Simplify right side
    156,086.66x = 18,194,088,662.99
  5. Step 5: Solve for x
    x = 18,194,088,662.99/156,086.66
  6. Step 6: Final answer
    x = 116,564.02

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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.