Home / 132,002.40-198,052.20-53,173.20

Finding the Fourth Proportional to 132,002.40, 198,052.20 and 53,173.20

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Solution

The fourth proportional to 132,002.40, 198,052.20 and 53,173.20 is: 79,779.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,002.40 : 198,052.20 = 53,173.20 : x
  2. Step 2: Convert to fraction form
    132,002.40/198,052.20 = 53,173.20/x
  3. Step 3: Cross multiply
    132,002.40x = 198,052.20 × 53,173.20
  4. Step 4: Simplify right side
    132,002.40x = 10,531,069,241.04
  5. Step 5: Solve for x
    x = 10,531,069,241.04/132,002.40
  6. Step 6: Final answer
    x = 79,779.38

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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.