Home / 156,679.33-216,220.08-85,059.37

Finding the Fourth Proportional to 156,679.33, 216,220.08 and 85,059.37

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Solution

The fourth proportional to 156,679.33, 216,220.08 and 85,059.37 is: 117,383.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,679.33 : 216,220.08 = 85,059.37 : x
  2. Step 2: Convert to fraction form
    156,679.33/216,220.08 = 85,059.37/x
  3. Step 3: Cross multiply
    156,679.33x = 216,220.08 × 85,059.37
  4. Step 4: Simplify right side
    156,679.33x = 18,391,542,917.70
  5. Step 5: Solve for x
    x = 18,391,542,917.70/156,679.33
  6. Step 6: Final answer
    x = 117,383.34

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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.