Home / 143,575.54-198,081.07-143,354.11

Finding the Fourth Proportional to 143,575.54, 198,081.07 and 143,354.11

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Solution

The fourth proportional to 143,575.54, 198,081.07 and 143,354.11 is: 197,775.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,575.54 : 198,081.07 = 143,354.11 : x
  2. Step 2: Convert to fraction form
    143,575.54/198,081.07 = 143,354.11/x
  3. Step 3: Cross multiply
    143,575.54x = 198,081.07 × 143,354.11
  4. Step 4: Simplify right side
    143,575.54x = 28,395,733,790.52
  5. Step 5: Solve for x
    x = 28,395,733,790.52/143,575.54
  6. Step 6: Final answer
    x = 197,775.57

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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.