Home / 120,244.01-165,896.43-69,255.72

Finding the Fourth Proportional to 120,244.01, 165,896.43 and 69,255.72

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Solution

The fourth proportional to 120,244.01, 165,896.43 and 69,255.72 is: 95,549.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,244.01 : 165,896.43 = 69,255.72 : x
  2. Step 2: Convert to fraction form
    120,244.01/165,896.43 = 69,255.72/x
  3. Step 3: Cross multiply
    120,244.01x = 165,896.43 × 69,255.72
  4. Step 4: Simplify right side
    120,244.01x = 11,489,276,082.97
  5. Step 5: Solve for x
    x = 11,489,276,082.97/120,244.01
  6. Step 6: Final answer
    x = 95,549.68

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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.