Home / 180,755.12-249,443.92-100,184.44

Finding the Fourth Proportional to 180,755.12, 249,443.92 and 100,184.44

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Solution

The fourth proportional to 180,755.12, 249,443.92 and 100,184.44 is: 138,255.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,755.12 : 249,443.92 = 100,184.44 : x
  2. Step 2: Convert to fraction form
    180,755.12/249,443.92 = 100,184.44/x
  3. Step 3: Cross multiply
    180,755.12x = 249,443.92 × 100,184.44
  4. Step 4: Simplify right side
    180,755.12x = 24,990,399,436.60
  5. Step 5: Solve for x
    x = 24,990,399,436.60/180,755.12
  6. Step 6: Final answer
    x = 138,255.56

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1.5x scale

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.