Home / 133,091.40-183,684.60-76,501.56

Finding the Fourth Proportional to 133,091.40, 183,684.60 and 76,501.56

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Solution

The fourth proportional to 133,091.40, 183,684.60 and 76,501.56 is: 105,582.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,091.40 : 183,684.60 = 76,501.56 : x
  2. Step 2: Convert to fraction form
    133,091.40/183,684.60 = 76,501.56/x
  3. Step 3: Cross multiply
    133,091.40x = 183,684.60 × 76,501.56
  4. Step 4: Simplify right side
    133,091.40x = 14,052,158,447.98
  5. Step 5: Solve for x
    x = 14,052,158,447.98/133,091.40
  6. Step 6: Final answer
    x = 105,582.77

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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.