Home / 109,601.86-151,234.35-66,558.97

Finding the Fourth Proportional to 109,601.86, 151,234.35 and 66,558.97

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Solution

The fourth proportional to 109,601.86, 151,234.35 and 66,558.97 is: 91,841.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,601.86 : 151,234.35 = 66,558.97 : x
  2. Step 2: Convert to fraction form
    109,601.86/151,234.35 = 66,558.97/x
  3. Step 3: Cross multiply
    109,601.86x = 151,234.35 × 66,558.97
  4. Step 4: Simplify right side
    109,601.86x = 10,066,002,564.62
  5. Step 5: Solve for x
    x = 10,066,002,564.62/109,601.86
  6. Step 6: Final answer
    x = 91,841.53

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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.