Home / 133,620.96-184,351.14-76,219.02

Finding the Fourth Proportional to 133,620.96, 184,351.14 and 76,219.02

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Solution

The fourth proportional to 133,620.96, 184,351.14 and 76,219.02 is: 105,156.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,620.96 : 184,351.14 = 76,219.02 : x
  2. Step 2: Convert to fraction form
    133,620.96/184,351.14 = 76,219.02/x
  3. Step 3: Cross multiply
    133,620.96x = 184,351.14 × 76,219.02
  4. Step 4: Simplify right side
    133,620.96x = 14,051,063,226.68
  5. Step 5: Solve for x
    x = 14,051,063,226.68/133,620.96
  6. Step 6: Final answer
    x = 105,156.13

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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.