Home / 143,351.22-197,913.15-92,381.94

Finding the Fourth Proportional to 143,351.22, 197,913.15 and 92,381.94

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Solution

The fourth proportional to 143,351.22, 197,913.15 and 92,381.94 is: 127,544.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,351.22 : 197,913.15 = 92,381.94 : x
  2. Step 2: Convert to fraction form
    143,351.22/197,913.15 = 92,381.94/x
  3. Step 3: Cross multiply
    143,351.22x = 197,913.15 × 92,381.94
  4. Step 4: Simplify right side
    143,351.22x = 18,283,600,748.51
  5. Step 5: Solve for x
    x = 18,283,600,748.51/143,351.22
  6. Step 6: Final answer
    x = 127,544.09

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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.