Home / 133,767.75-184,605.21-80,042.43

Finding the Fourth Proportional to 133,767.75, 184,605.21 and 80,042.43

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Solution

The fourth proportional to 133,767.75, 184,605.21 and 80,042.43 is: 110,461.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,767.75 : 184,605.21 = 80,042.43 : x
  2. Step 2: Convert to fraction form
    133,767.75/184,605.21 = 80,042.43/x
  3. Step 3: Cross multiply
    133,767.75x = 184,605.21 × 80,042.43
  4. Step 4: Simplify right side
    133,767.75x = 14,776,249,599.06
  5. Step 5: Solve for x
    x = 14,776,249,599.06/133,767.75
  6. Step 6: Final answer
    x = 110,461.97

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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.