Home / 132,004.40-198,055.20-53,175.20

Finding the Fourth Proportional to 132,004.40, 198,055.20 and 53,175.20

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Solution

The fourth proportional to 132,004.40, 198,055.20 and 53,175.20 is: 79,782.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,004.40 : 198,055.20 = 53,175.20 : x
  2. Step 2: Convert to fraction form
    132,004.40/198,055.20 = 53,175.20/x
  3. Step 3: Cross multiply
    132,004.40x = 198,055.20 × 53,175.20
  4. Step 4: Simplify right side
    132,004.40x = 10,531,624,871.04
  5. Step 5: Solve for x
    x = 10,531,624,871.04/132,004.40
  6. Step 6: Final answer
    x = 79,782.38

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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.