Home / 132,020.21-182,197.55-75,430.37

Finding the Fourth Proportional to 132,020.21, 182,197.55 and 75,430.37

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Solution

The fourth proportional to 132,020.21, 182,197.55 and 75,430.37 is: 104,099.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,020.21 : 182,197.55 = 75,430.37 : x
  2. Step 2: Convert to fraction form
    132,020.21/182,197.55 = 75,430.37/x
  3. Step 3: Cross multiply
    132,020.21x = 182,197.55 × 75,430.37
  4. Step 4: Simplify right side
    132,020.21x = 13,743,228,232.44
  5. Step 5: Solve for x
    x = 13,743,228,232.44/132,020.21
  6. Step 6: Final answer
    x = 104,099.43

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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.