Home / 132,200.60-182,438.25-71,771.90

Finding the Fourth Proportional to 132,200.60, 182,438.25 and 71,771.90

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Solution

The fourth proportional to 132,200.60, 182,438.25 and 71,771.90 is: 99,045.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,200.60 : 182,438.25 = 71,771.90 : x
  2. Step 2: Convert to fraction form
    132,200.60/182,438.25 = 71,771.90/x
  3. Step 3: Cross multiply
    132,200.60x = 182,438.25 × 71,771.90
  4. Step 4: Simplify right side
    132,200.60x = 13,093,939,835.18
  5. Step 5: Solve for x
    x = 13,093,939,835.18/132,200.60
  6. Step 6: Final answer
    x = 99,045.99

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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.