Home / 133,388.96-184,082.66-76,818.56

Finding the Fourth Proportional to 133,388.96, 184,082.66 and 76,818.56

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Solution

The fourth proportional to 133,388.96, 184,082.66 and 76,818.56 is: 106,013.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,388.96 : 184,082.66 = 76,818.56 : x
  2. Step 2: Convert to fraction form
    133,388.96/184,082.66 = 76,818.56/x
  3. Step 3: Cross multiply
    133,388.96x = 184,082.66 × 76,818.56
  4. Step 4: Simplify right side
    133,388.96x = 14,140,964,862.17
  5. Step 5: Solve for x
    x = 14,140,964,862.17/133,388.96
  6. Step 6: Final answer
    x = 106,013.01

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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.