Home / 254,937.06-382,310.55-74,974.28

Finding the Fourth Proportional to 254,937.06, 382,310.55 and 74,974.28

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Solution

The fourth proportional to 254,937.06, 382,310.55 and 74,974.28 is: 112,433.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,937.06 : 382,310.55 = 74,974.28 : x
  2. Step 2: Convert to fraction form
    254,937.06/382,310.55 = 74,974.28/x
  3. Step 3: Cross multiply
    254,937.06x = 382,310.55 × 74,974.28
  4. Step 4: Simplify right side
    254,937.06x = 28,663,456,311.10
  5. Step 5: Solve for x
    x = 28,663,456,311.10/254,937.06
  6. Step 6: Final answer
    x = 112,433.46

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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.