Home / 113,791.30-156,964.34-73,528.80

Finding the Fourth Proportional to 113,791.30, 156,964.34 and 73,528.80

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Solution

The fourth proportional to 113,791.30, 156,964.34 and 73,528.80 is: 101,426.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,791.30 : 156,964.34 = 73,528.80 : x
  2. Step 2: Convert to fraction form
    113,791.30/156,964.34 = 73,528.80/x
  3. Step 3: Cross multiply
    113,791.30x = 156,964.34 × 73,528.80
  4. Step 4: Simplify right side
    113,791.30x = 11,541,399,562.99
  5. Step 5: Solve for x
    x = 11,541,399,562.99/113,791.30
  6. Step 6: Final answer
    x = 101,426.03

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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.