Home / 137,708.29-190,012.20-92,451.97

Finding the Fourth Proportional to 137,708.29, 190,012.20 and 92,451.97

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Solution

The fourth proportional to 137,708.29, 190,012.20 and 92,451.97 is: 127,566.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,708.29 : 190,012.20 = 92,451.97 : x
  2. Step 2: Convert to fraction form
    137,708.29/190,012.20 = 92,451.97/x
  3. Step 3: Cross multiply
    137,708.29x = 190,012.20 × 92,451.97
  4. Step 4: Simplify right side
    137,708.29x = 17,567,002,214.03
  5. Step 5: Solve for x
    x = 17,567,002,214.03/137,708.29
  6. Step 6: Final answer
    x = 127,566.77

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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.