Home / 133,625.45-184,406.09-76,263.63

Finding the Fourth Proportional to 133,625.45, 184,406.09 and 76,263.63

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Solution

The fourth proportional to 133,625.45, 184,406.09 and 76,263.63 is: 105,245.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,625.45 : 184,406.09 = 76,263.63 : x
  2. Step 2: Convert to fraction form
    133,625.45/184,406.09 = 76,263.63/x
  3. Step 3: Cross multiply
    133,625.45x = 184,406.09 × 76,263.63
  4. Step 4: Simplify right side
    133,625.45x = 14,063,477,817.51
  5. Step 5: Solve for x
    x = 14,063,477,817.51/133,625.45
  6. Step 6: Final answer
    x = 105,245.50

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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.