Home / 156,223.08-215,609.31-95,783.04

Finding the Fourth Proportional to 156,223.08, 215,609.31 and 95,783.04

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Solution

The fourth proportional to 156,223.08, 215,609.31 and 95,783.04 is: 132,193.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,223.08 : 215,609.31 = 95,783.04 : x
  2. Step 2: Convert to fraction form
    156,223.08/215,609.31 = 95,783.04/x
  3. Step 3: Cross multiply
    156,223.08x = 215,609.31 × 95,783.04
  4. Step 4: Simplify right side
    156,223.08x = 20,651,715,164.10
  5. Step 5: Solve for x
    x = 20,651,715,164.10/156,223.08
  6. Step 6: Final answer
    x = 132,193.75

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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.