Home / 132,157.12-198,274.56-53,230.72

Finding the Fourth Proportional to 132,157.12, 198,274.56 and 53,230.72

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Solution

The fourth proportional to 132,157.12, 198,274.56 and 53,230.72 is: 79,861.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,157.12 : 198,274.56 = 53,230.72 : x
  2. Step 2: Convert to fraction form
    132,157.12/198,274.56 = 53,230.72/x
  3. Step 3: Cross multiply
    132,157.12x = 198,274.56 × 53,230.72
  4. Step 4: Simplify right side
    132,157.12x = 10,554,297,586.48
  5. Step 5: Solve for x
    x = 10,554,297,586.48/132,157.12
  6. Step 6: Final answer
    x = 79,861.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.