Home / 143,826.74-198,029.22-122,274.08

Finding the Fourth Proportional to 143,826.74, 198,029.22 and 122,274.08

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Solution

The fourth proportional to 143,826.74, 198,029.22 and 122,274.08 is: 168,354.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,826.74 : 198,029.22 = 122,274.08 : x
  2. Step 2: Convert to fraction form
    143,826.74/198,029.22 = 122,274.08/x
  3. Step 3: Cross multiply
    143,826.74x = 198,029.22 × 122,274.08
  4. Step 4: Simplify right side
    143,826.74x = 24,213,840,688.62
  5. Step 5: Solve for x
    x = 24,213,840,688.62/143,826.74
  6. Step 6: Final answer
    x = 168,354.23

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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.