Home / 133,821.36-184,521.24-109,545.12

Finding the Fourth Proportional to 133,821.36, 184,521.24 and 109,545.12

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Solution

The fourth proportional to 133,821.36, 184,521.24 and 109,545.12 is: 151,047.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,821.36 : 184,521.24 = 109,545.12 : x
  2. Step 2: Convert to fraction form
    133,821.36/184,521.24 = 109,545.12/x
  3. Step 3: Cross multiply
    133,821.36x = 184,521.24 × 109,545.12
  4. Step 4: Simplify right side
    133,821.36x = 20,213,401,378.35
  5. Step 5: Solve for x
    x = 20,213,401,378.35/133,821.36
  6. Step 6: Final answer
    x = 151,047.65

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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.