Home / 109,751.26-151,466.07-91,814.62

Finding the Fourth Proportional to 109,751.26, 151,466.07 and 91,814.62

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Solution

The fourth proportional to 109,751.26, 151,466.07 and 91,814.62 is: 126,711.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,751.26 : 151,466.07 = 91,814.62 : x
  2. Step 2: Convert to fraction form
    109,751.26/151,466.07 = 91,814.62/x
  3. Step 3: Cross multiply
    109,751.26x = 151,466.07 × 91,814.62
  4. Step 4: Simplify right side
    109,751.26x = 13,906,799,659.94
  5. Step 5: Solve for x
    x = 13,906,799,659.94/109,751.26
  6. Step 6: Final answer
    x = 126,711.98

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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.