Home / 132,147.88-182,515.43-87,027.55

Finding the Fourth Proportional to 132,147.88, 182,515.43 and 87,027.55

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Solution

The fourth proportional to 132,147.88, 182,515.43 and 87,027.55 is: 120,197.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,147.88 : 182,515.43 = 87,027.55 : x
  2. Step 2: Convert to fraction form
    132,147.88/182,515.43 = 87,027.55/x
  3. Step 3: Cross multiply
    132,147.88x = 182,515.43 × 87,027.55
  4. Step 4: Simplify right side
    132,147.88x = 15,883,870,710.10
  5. Step 5: Solve for x
    x = 15,883,870,710.10/132,147.88
  6. Step 6: Final answer
    x = 120,197.70

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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.