Home / 132,080.86-198,127.77-53,184.43

Finding the Fourth Proportional to 132,080.86, 198,127.77 and 53,184.43

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Solution

The fourth proportional to 132,080.86, 198,127.77 and 53,184.43 is: 79,779.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,080.86 : 198,127.77 = 53,184.43 : x
  2. Step 2: Convert to fraction form
    132,080.86/198,127.77 = 53,184.43/x
  3. Step 3: Cross multiply
    132,080.86x = 198,127.77 × 53,184.43
  4. Step 4: Simplify right side
    132,080.86x = 10,537,312,514.62
  5. Step 5: Solve for x
    x = 10,537,312,514.62/132,080.86
  6. Step 6: Final answer
    x = 79,779.25

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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.