Home / 373,719.10-515,725.16-203,954.44

Finding the Fourth Proportional to 373,719.10, 515,725.16 and 203,954.44

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Solution

The fourth proportional to 373,719.10, 515,725.16 and 203,954.44 is: 281,453.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,719.10 : 515,725.16 = 203,954.44 : x
  2. Step 2: Convert to fraction form
    373,719.10/515,725.16 = 203,954.44/x
  3. Step 3: Cross multiply
    373,719.10x = 515,725.16 × 203,954.44
  4. Step 4: Simplify right side
    373,719.10x = 105,184,432,603.31
  5. Step 5: Solve for x
    x = 105,184,432,603.31/373,719.10
  6. Step 6: Final answer
    x = 281,453.19

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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.