Home / 254,997.83-382,590.90-105,251.10

Finding the Fourth Proportional to 254,997.83, 382,590.90 and 105,251.10

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Solution

The fourth proportional to 254,997.83, 382,590.90 and 105,251.10 is: 157,915.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,997.83 : 382,590.90 = 105,251.10 : x
  2. Step 2: Convert to fraction form
    254,997.83/382,590.90 = 105,251.10/x
  3. Step 3: Cross multiply
    254,997.83x = 382,590.90 × 105,251.10
  4. Step 4: Simplify right side
    254,997.83x = 40,268,113,074.99
  5. Step 5: Solve for x
    x = 40,268,113,074.99/254,997.83
  6. Step 6: Final answer
    x = 157,915.52

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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.