Home / 133,615.46-184,390.86-76,262.52

Finding the Fourth Proportional to 133,615.46, 184,390.86 and 76,262.52

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Solution

The fourth proportional to 133,615.46, 184,390.86 and 76,262.52 is: 105,243.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,615.46 : 184,390.86 = 76,262.52 : x
  2. Step 2: Convert to fraction form
    133,615.46/184,390.86 = 76,262.52/x
  3. Step 3: Cross multiply
    133,615.46x = 184,390.86 × 76,262.52
  4. Step 4: Simplify right side
    133,615.46x = 14,062,111,463.95
  5. Step 5: Solve for x
    x = 14,062,111,463.95/133,615.46
  6. Step 6: Final answer
    x = 105,243.15

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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.