Home / 133,783.70-184,625.02-75,635.80

Finding the Fourth Proportional to 133,783.70, 184,625.02 and 75,635.80

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Solution

The fourth proportional to 133,783.70, 184,625.02 and 75,635.80 is: 104,379.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,783.70 : 184,625.02 = 75,635.80 : x
  2. Step 2: Convert to fraction form
    133,783.70/184,625.02 = 75,635.80/x
  3. Step 3: Cross multiply
    133,783.70x = 184,625.02 × 75,635.80
  4. Step 4: Simplify right side
    133,783.70x = 13,964,261,087.72
  5. Step 5: Solve for x
    x = 13,964,261,087.72/133,783.70
  6. Step 6: Final answer
    x = 104,379.39

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1.5x scale

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.