Home / 199,986.76-275,984.68-135,475.73

Finding the Fourth Proportional to 199,986.76, 275,984.68 and 135,475.73

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Solution

The fourth proportional to 199,986.76, 275,984.68 and 135,475.73 is: 186,958.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,986.76 : 275,984.68 = 135,475.73 : x
  2. Step 2: Convert to fraction form
    199,986.76/275,984.68 = 135,475.73/x
  3. Step 3: Cross multiply
    199,986.76x = 275,984.68 × 135,475.73
  4. Step 4: Simplify right side
    199,986.76x = 37,389,225,991.82
  5. Step 5: Solve for x
    x = 37,389,225,991.82/199,986.76
  6. Step 6: Final answer
    x = 186,958.51

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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.