Home / 133,285.08-183,903.78-76,696.46

Finding the Fourth Proportional to 133,285.08, 183,903.78 and 76,696.46

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Solution

The fourth proportional to 133,285.08, 183,903.78 and 76,696.46 is: 105,824.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,285.08 : 183,903.78 = 76,696.46 : x
  2. Step 2: Convert to fraction form
    133,285.08/183,903.78 = 76,696.46/x
  3. Step 3: Cross multiply
    133,285.08x = 183,903.78 × 76,696.46
  4. Step 4: Simplify right side
    133,285.08x = 14,104,768,906.62
  5. Step 5: Solve for x
    x = 14,104,768,906.62/133,285.08
  6. Step 6: Final answer
    x = 105,824.06

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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.