Home / 109,777.56-151,402.86-67,306.20

Finding the Fourth Proportional to 109,777.56, 151,402.86 and 67,306.20

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Solution

The fourth proportional to 109,777.56, 151,402.86 and 67,306.20 is: 92,827.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,777.56 : 151,402.86 = 67,306.20 : x
  2. Step 2: Convert to fraction form
    109,777.56/151,402.86 = 67,306.20/x
  3. Step 3: Cross multiply
    109,777.56x = 151,402.86 × 67,306.20
  4. Step 4: Simplify right side
    109,777.56x = 10,190,351,175.73
  5. Step 5: Solve for x
    x = 10,190,351,175.73/109,777.56
  6. Step 6: Final answer
    x = 92,827.27

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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.