Home / 265,190.98-397,787.55-107,422.42

Finding the Fourth Proportional to 265,190.98, 397,787.55 and 107,422.42

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Solution

The fourth proportional to 265,190.98, 397,787.55 and 107,422.42 is: 161,134.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,190.98 : 397,787.55 = 107,422.42 : x
  2. Step 2: Convert to fraction form
    265,190.98/397,787.55 = 107,422.42/x
  3. Step 3: Cross multiply
    265,190.98x = 397,787.55 × 107,422.42
  4. Step 4: Simplify right side
    265,190.98x = 42,731,301,266.87
  5. Step 5: Solve for x
    x = 42,731,301,266.87/265,190.98
  6. Step 6: Final answer
    x = 161,134.07

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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.