Home / 135,707.44-187,277.40-75,282.01

Finding the Fourth Proportional to 135,707.44, 187,277.40 and 75,282.01

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Solution

The fourth proportional to 135,707.44, 187,277.40 and 75,282.01 is: 103,889.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,707.44 : 187,277.40 = 75,282.01 : x
  2. Step 2: Convert to fraction form
    135,707.44/187,277.40 = 75,282.01/x
  3. Step 3: Cross multiply
    135,707.44x = 187,277.40 × 75,282.01
  4. Step 4: Simplify right side
    135,707.44x = 14,098,619,099.57
  5. Step 5: Solve for x
    x = 14,098,619,099.57/135,707.44
  6. Step 6: Final answer
    x = 103,889.80

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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.