Home / 180,432.23-249,022.82-103,936.43

Finding the Fourth Proportional to 180,432.23, 249,022.82 and 103,936.43

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Solution

The fourth proportional to 180,432.23, 249,022.82 and 103,936.43 is: 143,447.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,432.23 : 249,022.82 = 103,936.43 : x
  2. Step 2: Convert to fraction form
    180,432.23/249,022.82 = 103,936.43/x
  3. Step 3: Cross multiply
    180,432.23x = 249,022.82 × 103,936.43
  4. Step 4: Simplify right side
    180,432.23x = 25,882,543,781.73
  5. Step 5: Solve for x
    x = 25,882,543,781.73/180,432.23
  6. Step 6: Final answer
    x = 143,447.46

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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.