Home / 120,302.62-166,059.09-69,335.69

Finding the Fourth Proportional to 120,302.62, 166,059.09 and 69,335.69

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Solution

The fourth proportional to 120,302.62, 166,059.09 and 69,335.69 is: 95,707.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,302.62 : 166,059.09 = 69,335.69 : x
  2. Step 2: Convert to fraction form
    120,302.62/166,059.09 = 69,335.69/x
  3. Step 3: Cross multiply
    120,302.62x = 166,059.09 × 69,335.69
  4. Step 4: Simplify right side
    120,302.62x = 11,513,820,755.63
  5. Step 5: Solve for x
    x = 11,513,820,755.63/120,302.62
  6. Step 6: Final answer
    x = 95,707.15

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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.