Home / 144,684.48-199,674.08-81,026.38

Finding the Fourth Proportional to 144,684.48, 199,674.08 and 81,026.38

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Solution

The fourth proportional to 144,684.48, 199,674.08 and 81,026.38 is: 111,821.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,684.48 : 199,674.08 = 81,026.38 : x
  2. Step 2: Convert to fraction form
    144,684.48/199,674.08 = 81,026.38/x
  3. Step 3: Cross multiply
    144,684.48x = 199,674.08 × 81,026.38
  4. Step 4: Simplify right side
    144,684.48x = 16,178,867,882.23
  5. Step 5: Solve for x
    x = 16,178,867,882.23/144,684.48
  6. Step 6: Final answer
    x = 111,821.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.