Home / 270,128.51-372,767.33-149,267.29

Finding the Fourth Proportional to 270,128.51, 372,767.33 and 149,267.29

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Solution

The fourth proportional to 270,128.51, 372,767.33 and 149,267.29 is: 205,983.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,128.51 : 372,767.33 = 149,267.29 : x
  2. Step 2: Convert to fraction form
    270,128.51/372,767.33 = 149,267.29/x
  3. Step 3: Cross multiply
    270,128.51x = 372,767.33 × 149,267.29
  4. Step 4: Simplify right side
    270,128.51x = 55,641,969,149.64
  5. Step 5: Solve for x
    x = 55,641,969,149.64/270,128.51
  6. Step 6: Final answer
    x = 205,983.33

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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.