Home / 101,092.11-151,520.22-76,051.59

Finding the Fourth Proportional to 101,092.11, 151,520.22 and 76,051.59

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Solution

The fourth proportional to 101,092.11, 151,520.22 and 76,051.59 is: 113,988.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,092.11 : 151,520.22 = 76,051.59 : x
  2. Step 2: Convert to fraction form
    101,092.11/151,520.22 = 76,051.59/x
  3. Step 3: Cross multiply
    101,092.11x = 151,520.22 × 76,051.59
  4. Step 4: Simplify right side
    101,092.11x = 11,523,353,648.15
  5. Step 5: Solve for x
    x = 11,523,353,648.15/101,092.11
  6. Step 6: Final answer
    x = 113,988.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.