Home / 249,414.67-374,157.24-80,878.38

Finding the Fourth Proportional to 249,414.67, 374,157.24 and 80,878.38

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Solution

The fourth proportional to 249,414.67, 374,157.24 and 80,878.38 is: 121,329.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,414.67 : 374,157.24 = 80,878.38 : x
  2. Step 2: Convert to fraction form
    249,414.67/374,157.24 = 80,878.38/x
  3. Step 3: Cross multiply
    249,414.67x = 374,157.24 × 80,878.38
  4. Step 4: Simplify right side
    249,414.67x = 30,261,231,436.47
  5. Step 5: Solve for x
    x = 30,261,231,436.47/249,414.67
  6. Step 6: Final answer
    x = 121,329.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.