Home / 133,835.17-184,707.96-80,120.17

Finding the Fourth Proportional to 133,835.17, 184,707.96 and 80,120.17

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Solution

The fourth proportional to 133,835.17, 184,707.96 and 80,120.17 is: 110,575.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,835.17 : 184,707.96 = 80,120.17 : x
  2. Step 2: Convert to fraction form
    133,835.17/184,707.96 = 80,120.17/x
  3. Step 3: Cross multiply
    133,835.17x = 184,707.96 × 80,120.17
  4. Step 4: Simplify right side
    133,835.17x = 14,798,833,536.66
  5. Step 5: Solve for x
    x = 14,798,833,536.66/133,835.17
  6. Step 6: Final answer
    x = 110,575.07

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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.