Home / 156,087.68-215,400.24-84,467.60

Finding the Fourth Proportional to 156,087.68, 215,400.24 and 84,467.60

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Solution

The fourth proportional to 156,087.68, 215,400.24 and 84,467.60 is: 116,564.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,087.68 : 215,400.24 = 84,467.60 : x
  2. Step 2: Convert to fraction form
    156,087.68/215,400.24 = 84,467.60/x
  3. Step 3: Cross multiply
    156,087.68x = 215,400.24 × 84,467.60
  4. Step 4: Simplify right side
    156,087.68x = 18,194,341,312.22
  5. Step 5: Solve for x
    x = 18,194,341,312.22/156,087.68
  6. Step 6: Final answer
    x = 116,564.88

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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.