Home / 132,055.08-198,080.44-53,167.28

Finding the Fourth Proportional to 132,055.08, 198,080.44 and 53,167.28

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Solution

The fourth proportional to 132,055.08, 198,080.44 and 53,167.28 is: 79,750.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,055.08 : 198,080.44 = 53,167.28 : x
  2. Step 2: Convert to fraction form
    132,055.08/198,080.44 = 53,167.28/x
  3. Step 3: Cross multiply
    132,055.08x = 198,080.44 × 53,167.28
  4. Step 4: Simplify right side
    132,055.08x = 10,531,398,216.00
  5. Step 5: Solve for x
    x = 10,531,398,216.00/132,055.08
  6. Step 6: Final answer
    x = 79,750.04

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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.