Home / 180,620.51-249,245.33-100,043.33

Finding the Fourth Proportional to 180,620.51, 249,245.33 and 100,043.33

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Solution

The fourth proportional to 180,620.51, 249,245.33 and 100,043.33 is: 138,053.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,620.51 : 249,245.33 = 100,043.33 : x
  2. Step 2: Convert to fraction form
    180,620.51/249,245.33 = 100,043.33/x
  3. Step 3: Cross multiply
    180,620.51x = 249,245.33 × 100,043.33
  4. Step 4: Simplify right side
    180,620.51x = 24,935,331,804.03
  5. Step 5: Solve for x
    x = 24,935,331,804.03/180,620.51
  6. Step 6: Final answer
    x = 138,053.72

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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.