Home / 133,481.59-184,225.27-76,121.02

Finding the Fourth Proportional to 133,481.59, 184,225.27 and 76,121.02

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Solution

The fourth proportional to 133,481.59, 184,225.27 and 76,121.02 is: 105,058.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,481.59 : 184,225.27 = 76,121.02 : x
  2. Step 2: Convert to fraction form
    133,481.59/184,225.27 = 76,121.02/x
  3. Step 3: Cross multiply
    133,481.59x = 184,225.27 × 76,121.02
  4. Step 4: Simplify right side
    133,481.59x = 14,023,415,462.18
  5. Step 5: Solve for x
    x = 14,023,415,462.18/133,481.59
  6. Step 6: Final answer
    x = 105,058.80

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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.