Home / 133,820.41-184,642.25-76,441.39

Finding the Fourth Proportional to 133,820.41, 184,642.25 and 76,441.39

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Solution

The fourth proportional to 133,820.41, 184,642.25 and 76,441.39 is: 105,472.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,820.41 : 184,642.25 = 76,441.39 : x
  2. Step 2: Convert to fraction form
    133,820.41/184,642.25 = 76,441.39/x
  3. Step 3: Cross multiply
    133,820.41x = 184,642.25 × 76,441.39
  4. Step 4: Simplify right side
    133,820.41x = 14,114,310,242.73
  5. Step 5: Solve for x
    x = 14,114,310,242.73/133,820.41
  6. Step 6: Final answer
    x = 105,472.03

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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.