Home / 202,584.38-279,233.03-143,667.51

Finding the Fourth Proportional to 202,584.38, 279,233.03 and 143,667.51

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Solution

The fourth proportional to 202,584.38, 279,233.03 and 143,667.51 is: 198,024.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,584.38 : 279,233.03 = 143,667.51 : x
  2. Step 2: Convert to fraction form
    202,584.38/279,233.03 = 143,667.51/x
  3. Step 3: Cross multiply
    202,584.38x = 279,233.03 × 143,667.51
  4. Step 4: Simplify right side
    202,584.38x = 40,116,714,129.86
  5. Step 5: Solve for x
    x = 40,116,714,129.86/202,584.38
  6. Step 6: Final answer
    x = 198,024.72

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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.