Home / 168,414.90-251,389.26-148,486.38

Finding the Fourth Proportional to 168,414.90, 251,389.26 and 148,486.38

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Solution

The fourth proportional to 168,414.90, 251,389.26 and 148,486.38 is: 221,642.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,414.90 : 251,389.26 = 148,486.38 : x
  2. Step 2: Convert to fraction form
    168,414.90/251,389.26 = 148,486.38/x
  3. Step 3: Cross multiply
    168,414.90x = 251,389.26 × 148,486.38
  4. Step 4: Simplify right side
    168,414.90x = 37,327,881,188.28
  5. Step 5: Solve for x
    x = 37,327,881,188.28/168,414.90
  6. Step 6: Final answer
    x = 221,642.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.