Home / 135,528.80-187,027.26-75,098.12

Finding the Fourth Proportional to 135,528.80, 187,027.26 and 75,098.12

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Solution

The fourth proportional to 135,528.80, 187,027.26 and 75,098.12 is: 103,634.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,528.80 : 187,027.26 = 75,098.12 : x
  2. Step 2: Convert to fraction form
    135,528.80/187,027.26 = 75,098.12/x
  3. Step 3: Cross multiply
    135,528.80x = 187,027.26 × 75,098.12
  4. Step 4: Simplify right side
    135,528.80x = 14,045,395,614.75
  5. Step 5: Solve for x
    x = 14,045,395,614.75/135,528.80
  6. Step 6: Final answer
    x = 103,634.03

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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.