Home / 180,992.41-249,773.61-100,416.94

Finding the Fourth Proportional to 180,992.41, 249,773.61 and 100,416.94

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Solution

The fourth proportional to 180,992.41, 249,773.61 and 100,416.94 is: 138,577.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,992.41 : 249,773.61 = 100,416.94 : x
  2. Step 2: Convert to fraction form
    180,992.41/249,773.61 = 100,416.94/x
  3. Step 3: Cross multiply
    180,992.41x = 249,773.61 × 100,416.94
  4. Step 4: Simplify right side
    180,992.41x = 25,081,501,608.95
  5. Step 5: Solve for x
    x = 25,081,501,608.95/180,992.41
  6. Step 6: Final answer
    x = 138,577.64

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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.