Home / 180,826.51-249,540.14-100,251.97

Finding the Fourth Proportional to 180,826.51, 249,540.14 and 100,251.97

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Solution

The fourth proportional to 180,826.51, 249,540.14 and 100,251.97 is: 138,347.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,826.51 : 249,540.14 = 100,251.97 : x
  2. Step 2: Convert to fraction form
    180,826.51/249,540.14 = 100,251.97/x
  3. Step 3: Cross multiply
    180,826.51x = 249,540.14 × 100,251.97
  4. Step 4: Simplify right side
    180,826.51x = 25,016,890,629.08
  5. Step 5: Solve for x
    x = 25,016,890,629.08/180,826.51
  6. Step 6: Final answer
    x = 138,347.47

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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.