Home / 183,939.12-276,013.53-71,604.81

Finding the Fourth Proportional to 183,939.12, 276,013.53 and 71,604.81

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Solution

The fourth proportional to 183,939.12, 276,013.53 and 71,604.81 is: 107,448.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,939.12 : 276,013.53 = 71,604.81 : x
  2. Step 2: Convert to fraction form
    183,939.12/276,013.53 = 71,604.81/x
  3. Step 3: Cross multiply
    183,939.12x = 276,013.53 × 71,604.81
  4. Step 4: Simplify right side
    183,939.12x = 19,763,896,373.08
  5. Step 5: Solve for x
    x = 19,763,896,373.08/183,939.12
  6. Step 6: Final answer
    x = 107,448.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.