Home / 180,743.54-249,426.08-100,183.18

Finding the Fourth Proportional to 180,743.54, 249,426.08 and 100,183.18

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Solution

The fourth proportional to 180,743.54, 249,426.08 and 100,183.18 is: 138,252.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,743.54 : 249,426.08 = 100,183.18 : x
  2. Step 2: Convert to fraction form
    180,743.54/249,426.08 = 100,183.18/x
  3. Step 3: Cross multiply
    180,743.54x = 249,426.08 × 100,183.18
  4. Step 4: Simplify right side
    180,743.54x = 24,988,297,869.33
  5. Step 5: Solve for x
    x = 24,988,297,869.33/180,743.54
  6. Step 6: Final answer
    x = 138,252.79

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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.