Home / 156,176.28-215,523.41-84,556.35

Finding the Fourth Proportional to 156,176.28, 215,523.41 and 84,556.35

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Solution

The fourth proportional to 156,176.28, 215,523.41 and 84,556.35 is: 116,687.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,176.28 : 215,523.41 = 84,556.35 : x
  2. Step 2: Convert to fraction form
    156,176.28/215,523.41 = 84,556.35/x
  3. Step 3: Cross multiply
    156,176.28x = 215,523.41 × 84,556.35
  4. Step 4: Simplify right side
    156,176.28x = 18,223,872,466.37
  5. Step 5: Solve for x
    x = 18,223,872,466.37/156,176.28
  6. Step 6: Final answer
    x = 116,687.84

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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.