Home / 109,563.26-151,060.26-91,440.04

Finding the Fourth Proportional to 109,563.26, 151,060.26 and 91,440.04

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Solution

The fourth proportional to 109,563.26, 151,060.26 and 91,440.04 is: 126,072.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,563.26 : 151,060.26 = 91,440.04 : x
  2. Step 2: Convert to fraction form
    109,563.26/151,060.26 = 91,440.04/x
  3. Step 3: Cross multiply
    109,563.26x = 151,060.26 × 91,440.04
  4. Step 4: Simplify right side
    109,563.26x = 13,812,956,216.81
  5. Step 5: Solve for x
    x = 13,812,956,216.81/109,563.26
  6. Step 6: Final answer
    x = 126,072.88

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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.