Home / 133,162.92-183,761.86-72,733.79

Finding the Fourth Proportional to 133,162.92, 183,761.86 and 72,733.79

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Solution

The fourth proportional to 133,162.92, 183,761.86 and 72,733.79 is: 100,371.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,162.92 : 183,761.86 = 72,733.79 : x
  2. Step 2: Convert to fraction form
    133,162.92/183,761.86 = 72,733.79/x
  3. Step 3: Cross multiply
    133,162.92x = 183,761.86 × 72,733.79
  4. Step 4: Simplify right side
    133,162.92x = 13,365,696,535.25
  5. Step 5: Solve for x
    x = 13,365,696,535.25/133,162.92
  6. Step 6: Final answer
    x = 100,371.01

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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.