Home / 202,665.36-279,857.52-126,314.76

Finding the Fourth Proportional to 202,665.36, 279,857.52 and 126,314.76

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Solution

The fourth proportional to 202,665.36, 279,857.52 and 126,314.76 is: 174,426.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,665.36 : 279,857.52 = 126,314.76 : x
  2. Step 2: Convert to fraction form
    202,665.36/279,857.52 = 126,314.76/x
  3. Step 3: Cross multiply
    202,665.36x = 279,857.52 × 126,314.76
  4. Step 4: Simplify right side
    202,665.36x = 35,350,135,473.00
  5. Step 5: Solve for x
    x = 35,350,135,473.00/202,665.36
  6. Step 6: Final answer
    x = 174,426.14

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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.