Home / 133,889.58-184,755.75-76,517.51

Finding the Fourth Proportional to 133,889.58, 184,755.75 and 76,517.51

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Solution

The fourth proportional to 133,889.58, 184,755.75 and 76,517.51 is: 105,587.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,889.58 : 184,755.75 = 76,517.51 : x
  2. Step 2: Convert to fraction form
    133,889.58/184,755.75 = 76,517.51/x
  3. Step 3: Cross multiply
    133,889.58x = 184,755.75 × 76,517.51
  4. Step 4: Simplify right side
    133,889.58x = 14,137,048,737.46
  5. Step 5: Solve for x
    x = 14,137,048,737.46/133,889.58
  6. Step 6: Final answer
    x = 105,587.37

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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.