Home / 133,247.54-183,822.55-79,501.31

Finding the Fourth Proportional to 133,247.54, 183,822.55 and 79,501.31

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Solution

The fourth proportional to 133,247.54, 183,822.55 and 79,501.31 is: 109,676.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,247.54 : 183,822.55 = 79,501.31 : x
  2. Step 2: Convert to fraction form
    133,247.54/183,822.55 = 79,501.31/x
  3. Step 3: Cross multiply
    133,247.54x = 183,822.55 × 79,501.31
  4. Step 4: Simplify right side
    133,247.54x = 14,614,133,135.03
  5. Step 5: Solve for x
    x = 14,614,133,135.03/133,247.54
  6. Step 6: Final answer
    x = 109,676.57

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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.