Home / 133,183.98-183,799.35-76,595.40

Finding the Fourth Proportional to 133,183.98, 183,799.35 and 76,595.40

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Solution

The fourth proportional to 133,183.98, 183,799.35 and 76,595.40 is: 105,704.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,183.98 : 183,799.35 = 76,595.40 : x
  2. Step 2: Convert to fraction form
    133,183.98/183,799.35 = 76,595.40/x
  3. Step 3: Cross multiply
    133,183.98x = 183,799.35 × 76,595.40
  4. Step 4: Simplify right side
    133,183.98x = 14,078,184,732.99
  5. Step 5: Solve for x
    x = 14,078,184,732.99/133,183.98
  6. Step 6: Final answer
    x = 105,704.79

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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.